Answer: Li, S, F
Explanation:
They are all non-metallic elements
According to the electronic configuration, elements which will most likely form anions sulfur and fluorine .
What is electronic configuration?Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
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if an object left earth which direction would it travel
Answer:
In a straight line
Explanation:
Why, because of the power of inerta
How much force is used to lift a 42 kg object at a constant velocity? Why?
Answer:
equal to its weight which is 42x9.8
Explanation:
At 1:00 p.m. a car, traveling at a constant
velocity of 82 km/h toward the west, is 24 km
to the west of our school.
How far from the school will it be at 3:30
p.m.?
Answer in units of km.
.....
The distance from the school will be 229 Km
What is Velocity ?Velocity is the distance travel in a specific direction per time taken. Velocity is a vector quantity.
Given that at 1:00 p.m. a car, traveling at a constant velocity of 82 km/h toward the west, is 24 km to the west of our school. How far from the school will it be at 3:30 pm ?
The time taken by the car will be = 3:30 - 1:00 = 2:30 = 2.5 hr
Since the speed is constant, V = s/t
82 = s / 2.5
s = 82 x 2.5
s = 205 Km
The distance from the school = 24 + 205 = 229 Km
Therefore, the distance from the school will be 229 Km
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The number of protons in an atom is that element’s __________________ number.
PLEASE HELP
Answer:
Explanation:
atomic number
All atoms of an element have the same number of__But within the same element there may exist atoms that have__numbers of__.Atoms that have the same number of protons but different numbers of neutrons are called__.The neutrons are located in the__ along with protons.
Isotopes can occur__or they may be__. All__are isotopes. Isotopes are written by using the__ of the element, followed by a__
and the s of the protons and neutrons.
1
Atoms of the same element can have different numbers of neutrons, however. Atoms of the same element (i.e., atoms with the same number of protons) with different numbers of neutrons are called isotopes. Most naturally occurring elements exist as isotopes...
THIS IS THE ANSWER
Giselle leaves the ground at an angle of 25° above the horizontal at a velocity of 5.5 m/s to leap over the fence.
Round all answers to the nearest hundredth.
a) What is the horizontal component of the gazelle’s velocity?
b) What is the vertical component of the gazelle’s velocity?
c) How much later did the Gisele hit the ground?
d) What is her maximum height?
e) How far did she leap?
Answer:
a) 5.01 m/s
b) 3.28 m/s
c) 0.67 s
d) 0.45 m
e) 2.78 m
Explanation:
Answer:
a) 3.04 m/s
b) 3.7 m/s
c) 0.72 s
d) 0.36 m
e) 4.12 m
Explanation:
What what are the si units for average speed?
Answer:
m/s
Explanation:
Position/Displacement is measured in meters (m).
Velocity is measured in meters per second (m/s).
Acceleration is measured in meters per second squared (m/s²).
How fast was the storm that hit Galveston and how men died?
Answer:
The storm was a category 4 hurricane that struck Galveston, Texas, on September 8, 1900, bringing winds of 130 miles (210 km) per hour and high tides that overwhelmed the low-lying coastal city, demolishing buildings and claiming more than 8,000 lives.
00p- now I can actually answer :)
Hope that I helped you a little :0
calculate the area of the brick if the pressure is 180pa and the force 80N
Answer:
A = 0.44 [m^2]
Explanation:
To solve this problem we must remember that pressure is defined as the relationship between Force and area, so we have the following equation:
P = F/A
where:
P = pressure = 180 [pa]
F = force = 80 [N]
A = area [m^2]
Now replacing and solving:
180 = 80/A
A = 80/180
A = 0.44 [m^2]
A student is sitting in a moving car. Through the car's window, the student sees a traffic
light at an intersection pass by and out of sight as the car travels down the road.
Which statement accurately describes the student's motion?
• The student is moving relative to the car’s window but not to the traffic light.
• The student is moving relative to the traffic light but not to the car’s window.
• The student is moving relative to both the car’s window and traffic light.
• The student is moving relative to neither the car’s window nor the traffic light.
Answer:
I believe it would be the first one "The student is moving relative to the cars window bunt not to the traffic light".
Explanation:
be cause he would be in the car so he would be moving with the car
A golfer drives her golf ball from the tee down the fairway in a high arcing shot. When the ball is at the highest point of its flight
a) the velocity and acceleration are both zero
b), The x-velocity is zero and thе y-velocity is zero
c) the x-velocity is non-zero, but the y-velocity is zero
d) thе velocity iѕ non- zero, but the acceleration is zero
Answer:
Correct Choice: c)
Explanation:
When an object is launched with an angle with respect to the horizontal, it describes a curved path exclusively under the action of gravity.
The velocity at any point of the path has two components:
The horizontal component has a constant value because no acceleration acts in that direction.
The vertical component has a variable value that depends on the acceleration of gravity and the time.
When the golfer drives the golf ball in a high arcing shot it reaches a maximum height and then returns to the ground.
a) The velocity is never zero until the ball hits the ground. The acceleration is never zero. False
b) The x-velocity is constant and equal to the horizontal component of the initial velocity. The y-velocity is zero at the highest point. Only one condition is true, thus the whole statement is False.
c) The x-velocity is never zero, and the y-velocity is zero as explained above. True
d) The velocity is non-zero, and the acceleration is not zero. False
Its velocity as well as acceleration are both non-zero.
This seems to be attributable to the reality that towards the maximum height, just the vertical dimension of that though velocity approaches zero. These same horizontal parts are already in play. As a result, the velocity would be non-zero.Gravity's acceleration would operate upon that ball, hence the acceleration will then be non-zero.As a result, the aforementioned response is correct.
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An 18.0 N force pulls a cart against a 15.0 N frictional force. The speed
of the cart increases 1.0 m/s every 5.0 s. What is the cart's mass?
Someone please help me on this I only have a few minutes
Answer:
m = 15 kg
Explanation:
Applied force to the cart, F' = 18 N
Force of friction, f = 15 N
Net force acting on the cart,
F = F' - f
F = 18 - 15
F = 3 N
The change in velocity of the cart is 1 m/s every 5 s.
We need to find the mass of the cart.
The formula of net force is given by :
F = ma, where a is the acceleration of the cart
[tex]F=\dfrac{m\Delta v}{t}\\\\m=\dfrac{Ft}{\Delta v}\\\\m=\dfrac{3\times 5}{1}\\\\m=15\ kg[/tex]
So, the cart's mass is 15 kg.
A plane is traveling North at 80km/hr into a 20 km/hr headwind (South). What is the plane's resultant velocity?
Answer:
Consider our plane flying at a speed of 80 km/hr into a 40 km/hr crosswind. Its speed, relative to the ground, can be calculated by adding the two vectors as shown on the right. What happens to the speed of the plane as the crosswind increases in magnitude? Look at the animation on the right. It is obvious that the speed of the plane, relative to the ground, increases in magnitude.
Explanation:
Answer:
60km/hr
Explanation:
R=80 - 20
=60km/hr, north
A train is resting on a track when another train with several more cars bumps it and causes it to move forward 10 meters. This is an example of acceleration because:
Answer:
The answer is below
Explanation:
Acceleration is the rate of change of velocity with respect to time. The S.I unit of acceleration is m/s².
We say that there is acceleration if there is a change of distance or change in velocity (increase or decrease) or both.
The statement above is an example of acceleration because there is a change in velocity. The velocity when the motor was at rest was 0, but an increase in acceleration caused the train to move a distance of 10 meters.
Greg, Matt, and Stephen work together to hold the door shut to keep out the zombies. Greg pushes
with a force of 15 N, Matt with 12 N, and Stephen with 22 N. What is their net force on the door?
As an object is heated, the amount of energy radiated at all wavelengths increases,
but the wavelength of maximum emission
m
is shifted to longer wavelengths
is shifted to shorter wavelengths
O remains constant
none of these answers are correct
: I'm sorry it won't let me exit so
What allows a pump to raise fluids in pipes
Answer: The energy to move the fluid is provided by the pressure on the fluid surface.
Explanation: The frictional losses in the suction pipework and rises in the suction pipework system will reduce the fluid pressure at the pump inlet. If the pump inlet connection is removed the fluid will not flow out of the suction pipework. Hope this helps! :)
Acceleration is caused by a force acting on a mass.
Answer:
Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
Explanation:
ples give a crown
help pls pls i give reward
Answer:
B
Explanation:
There is no new substances formed in choice B
Answer:
the answer is B. boiling of water, bursting of a balloon, crumpling a piece of paper.
In ionic bonding , atoms _____
Answer:
atom is formed by sharing
Explanation:
Answer:
sharing or transferring
125.5 micrograms = ____ kilograms
Calculate the electrostatic force between a negatively charged PVC pipe (m = 300 g, q = -0.0000007 C) and a positively charged sweater (m = 650 g, q = 0.0000009 C) when they are held 6 cm apart (the centers of their charges are 6 cm apart). Your answer should include the magnitude of the force and clearly state whether they would be pushing or pulling each other with that amount force.
Answer:
1.575 N
Explanation:
Given that,
Charge on a PVC pipe, q₁ = -0.0000007 C
Charge on a positively charged sweater, q₂ = 0.0000009 C
Separation between charges, d = 6 cm = 0.06 m
We need to find the magnitude of the force between charges. The force between two charges is given by :
[tex]F=\dfrac{kq_1q_2}{r^2}\\\\F=\dfrac{9\times 10^9\times 0.0000007 \times 0.0000009 }{(0.06)^2}\\\\F=1.575\ N[/tex]
So, the electrostatic force has a magnitude of 1.575 N.
Your friend is trying to figure out which flap configuration makes a paper airplane fly the farthest. Which of the following is the independent variable?
Answer:
answer choices?
Explanation:
6. In the reaction C+02 → C02, 18 g of carbon react with oxygen to produce 72 g of carbon
dioxide. What mass of oxygen would be needed in the reaction?
O 18 g
54 g
072 g
90 g
Answer:
I think ur answer might be 54 g
As 72-18=54
Hope this helps....
(01.06 LC)
Which factor can decrease the kinetic energy of an object?
Decrease in volume
Decrease in speed
Increase in temperature
Increase in speed
Previous
Answer:
*Decreasing an object's velocity can increase kinetic energy. *Increasing an object's velocity can decrease kinetic energy. *The velocity of an object has no effect on kinetic energy.
ExplanIf the temperature is increased, the average speed and kinetic energy of the gas molecules increase. If the volume is held constant, the increased speed of the gas molecules results in more frequent and more forceful collisions with the walls of the container, therefore increasing the pressure (Figure 1).
What is the frist thing you should do when making an individual decision
Give at least three examples of energy and explain why they have energy.
Answer:
plants because of photosynthesis humans because of food and the energy causing cells in it and batteries or solar panels because of the sun.
Explanation:
What is the correct definition of an element?
is an object on the surface of earth sitting still relative to outer space?
Answer:
Nothing anywhere is sitting still. As all is moving.
Mr. Linnartz climbs a vertical distance of 100 meters in 20 seconds. If his weight is 990 newtons what is the power he has exerted?
Answer:
4950W
Explanation:
Given parameters:
Height = 100m
Time = 20s
Weight = 990N
Unknown:
Power = ?
Solution:
Power is the rate at which work is done.
Power = [tex]\frac{Work done }{time }[/tex]
Workdone = Force x distance
Input the parameter and solve for the workdone;
Workdone = 990 x 100 = 99000J
Now;
Power = [tex]\frac{99000}{20}[/tex] = 4950W