ATOMS, IONS, AND ISOTOPES

ATOMS, IONS, AND ISOTOPES

Assessment

Flashcard

Chemistry

7th - 9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What charge does an atom have when it GAINS electrons?

Back

Negative

2.

FLASHCARD QUESTION

Front

How many neutrons does a bromine atom have if its atomic mass is 80 and its atomic number is 35?

Back

45

3.

FLASHCARD QUESTION

Front

What type of atom is formed when an atom has a different number of neutrons than protons?

Back

Isotope

4.

FLASHCARD QUESTION

Front

What happens to an atom when it LOSES electrons?

Back

It becomes a positively charged ion (cation).

5.

FLASHCARD QUESTION

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

6.

FLASHCARD QUESTION

Front

What is an ion?

Back

An atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

7.

FLASHCARD QUESTION

Front

What is a cation?

Back

A positively charged ion that is formed when an atom loses one or more electrons.

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