How many groups are in the modern periodic table?

Answer:

18

Explanation:

there are 18 numbered groups in the periodic table;The F-block columns (Between groups 3 and group 4) are not numbered.

There are 18 groups in the modern periodic table.

The groups are numbered from 1 to 18, and they are also referred to as groups A and B.

Groups A are the main groups, and they contain elements that have the same number of valence electrons. Groups B are the transition groups, and they contain elements that have a variable number of valence electrons.

The modern periodic table is organized by the atomic number of the elements. The atomic number is the number of protons in the nucleus of an atom. The elements are arranged in order of increasing atomic number, and they are grouped together based on their chemical properties.

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HELP PLEASE! WILL GIVE BRAINLY!! Living organisms are unified by major characteristics. Which of the following describes the unifying property of homeostasis? A. Living organisms adapt to their environments b. Living.organisms maintain fairly constant internal conditions c. Living organisms use transform energy d. Living organisms grow and reproduce

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Diego is reading a book about living things. On one page, he reads, "Some
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.." Before Diego turns the page, he expects that the rest of the sentence will
say that other living things are made up of many cells. What active reading
strategy is Diego using?
A. Making predictions
B. Making mental images
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C. Summarizing
D. Monitoring and applying fix-up strategies

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ESSOIS. 2. Two populations of mice living in the same forest are separated by a large water-filled ditch. After a rainstorm, flooding brings several mice from one population to the other population. When the mice from the first population reproduce with members of the second population, which of the following are likely to occur?

A. All the offspring will die as a result of reproductive mutations.

B. The offspring will be forced to leave the second population .

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D. The offspring in the second population will have greater genetic variety​

unicellular or multicellular



​

8. The nervous tissue is formed from which of the following embryonic tissue?
A. Mesoderm
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C. Epidermis
D. Ectoderm

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Which product is missing from the Kreb's cycle?
Pyruvate + Oxygen → _________ + 2 ATP


ATP

Oxygen

Water

Carbon dioxide

HURRRRRRY FOR BIOLGGGGGYYYY TESTTTTTTT
How many ATP are produced by the Kreb’s Cycle?


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A.) 1

B.) 2

c.) 4

d.) 32

Which of the following best describes the transfer of phosphates and the impact on the environment and human health

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Group of answer choices

growth and development

response to environment

organization

evolutionary adaptations

homeostasis

genetic information and reproduction

energy processing

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carbohydrates are biomolecules made of carbon hydrogen and oxygen that are used ?

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Intertidal zone
Benthic zone
Neritic zone
Oceanic zone

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Which statement best describes the movement of energy during photosynthesis?

A. Sugars are taken in as food and their stored energy is released by chlorophyll.

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C. Sunlight is absorbed by a plant's leaves and is converted into energy stored in sugars.

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Dan made the table shown to describe two different relationships between animals.
Relationship a: One organism lives inside the organism it feeds off.
Relationship b: No organism is harmed.
Explain.

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Ecosystems have trouble adjusting to short-term changes.

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The illegal killing or capturing of wild animals is called .