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PLEASE HELP ASAP 50 POINTS!!!

(only answer if you know for sure, please and ty)

The atomic number of an atom is the number of ____.
A.protons
B.neutrons
C.electrons and neutrons combined
D.protons and neutrons combined

An ion is an atom ____.
A. That has the same number of protons and electrons.
B. That has an unequal number of protons and electrons.
C. That has an unequal number of protons and neutrons.
D. That has the same number of protons and neutrons.

Which of the following is true regarding photosynthesis and respiration?
A. All cells can undergo both photosynthesis and respiration.
B. Photosynthesis occurs in the chloroplasts; respiration occurs in the mitochondria.
C. Photosynthesis breaks down glucose; respiration makes glucose.
D. Photosynthesis occurs in the mitochondria; respiration occurs in the chloroplasts.

2 Answers

3 votes

1. The atomic number of an atom is the number of protons in the nucleus.

2. An ion is an atom that has an unequal number of protons and electrons.

3. Photosynthesis occurs in the chloroplasts; respiration occurs in the mitochondria.

User Suresh Chaudhary
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5.3k points
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The atomic number of an atom is the number of A.protons An ion is an atom D. That has the same number of protons and neutrons.

Which of the following is true regarding photosynthesis and respiration? C. Photosynthesis breaks down glucose; respiration makes glucose. hope this helps

User Yugal
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6.6k points