HON Chem Parts of the Atom Flashcard Review

Front

What is the charge of a neutral Magnesium atom after it loses 2 electrons?

Back

+2

Front

How many protons are in Boron (B)?

Back

5

Front

What is the mass number of an atom with 4 protons and 5 neutrons?

Back

9

Front

What are ions?

Back

Atoms with a positive or negative charge.

Front

What is the symbol for an element with 9 protons and 10 electrons?

Back

F⁻¹

Front

Define mass number.

Back

The total number of protons and neutrons in an atom's nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What happens to the charge of an atom when it gains electrons?

Back

It becomes negatively charged.

Front

What happens to the charge of an atom when it loses electrons?

Back

It becomes positively charged.

Front

What is the difference between an atom and an ion?

Back

An atom is neutral, while an ion has a charge.