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zepelin [54]
2 years ago
13

MULTIPLE CHOICE QUESTION

Chemistry
1 answer:
makvit [3.9K]2 years ago
3 0

Answer:

B) Lose electrons to form positive ions

Explanation:

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What is an SNP? Question 1 choices Choice A., a single nucleotide polymorphism Choice B., a location where individual alleles di
Ber [7]

Answer  is option D. All of these choices are correct.

<u>Explanation</u>:

SNP or  single nucleotide polymorphism is a location that showcases the difference in individual alleles by one base pair. Mainly, a genetic difference that happens between different individuals.  

It is the most common variation in genetics among people. Further, every SNP represents the difference in single DNA building block known as a nucleotide. Many SNPs do not affect the health of a person. It helps in predicting a response of a  person to drugs.

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3 years ago
Which development was a direct result of the
gladu [14]
"(2) increase in suburbanization" was a direct result of the <span>baby boom that followed World War II, but of course there were other factors that resulted as well. </span>
3 0
3 years ago
An atorn has 9 electrons and 9 protons at the start. If it loses 2 electrons, the net charge on the atom will be. If the atom in
LUCKY_DIMON [66]

Answer:

If it loses 2 electrons, the net charge on the atom will be 2+

If the atom instead gains 4 electrons, the net charge will be 4-

Explanation:

It is based on adding and subtracting charges. Protons are +1 and electrons are -1

If the atom has 9 protons and 9 electrons, the net charge is +9 + (-9) = 0. The +9 is the 9 protons and the -9 is from the 9 electrons.

If two electrons are taken away, there would be 9-2 or 7 electrons with 9 protons. The net charge would then be +9 + (-7) = +2. +9 comes from the 9 electrons and -7 is from the 7 electrons.

So, if two electrons are taken away, the net charge is +2.

Similarly, if the atom gains 4 electrons, there will be 9+4 or 12 electrons and 9 protons. The net charge would then be +9 + (-12) = -4. +9 comes from the 9 protons and -12 comes from the 12 electrons.

So, if 4 electrons are added, the net charge is -4.

3 0
3 years ago
Which of the following statements best describes why a chemical change is different from a physical change.
Butoxors [25]

Answer:

C) Chemical changes involve formation of a new substance while physical change only impacts appearance or form.

Explanation:

The obvious difference between a chemical change and physical change is that in a chemical change new substances are produced while in a physical change, the form of the compounds are altered.

  • Most phase changes are products of physical changes. Such changes are easily reversible.
  • In a chemical change, a new kind of matter is formed. It is accompanied by energy changes.
  • The process is not easily reversible.
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3 years ago
Which of the following statement(s) are true about the atoms of any element?
Nadya [2.5K]

Answer:

C

ok please mark me brainlist

3 0
3 years ago
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