Unit 3 Atomic Structure Review

Front

Who proposed that electrons travel in fixed orbits around the nucleus of the atom?

Back

Niels Bohr

Front

What does the word 'atom' mean in Greek?

Back

Indivisible

Front

How many protons are in a titanium atom?

Back

22

Front

What do atoms in the same group of the periodic table share?

Back

Number of valence electrons

Front

How many neutrons are in the isotope of lithium with mass number 8?

Back

5

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the charge of an electron?

Back

Negative

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.