Structure of an Atom Test Review

Describe the components of the nucleus of an atom (What is in the nucleus?).

• Neutrons and Electrons

• Empty Space

• Electrons and Protons

• Protons and Neutrons

When determining an element’s identity, which subatomic particle do we look at? Why can’t we look at the other particles?

• Electron

• Neutron

• Nucleus

• Proton

If an atom has 16 protons and 17 neutrons, what is its atomic number?

• 17

• 16

• 33

• 1

Tags

NGSS.MS-PS1-1

If an atom has 4 protons and 5 neutrons, what is its atomic mass?

• 9 amu

• 1 amu

• 4 amu

• 5 amu

Which subatomic particles determine charge of an atom’s nucleus?

• Neutrons

• Protons

• Electrons

• Nucleus

An atom contains 8 protons, 8 electrons, and 8 neutrons. What element is it?

• Carbon

• Nitrogen

• Oxygen

• Silicon

Tags

NGSS.MS-PS1-1

How many valence electrons would an atom of Beryllium have? How do you know?

• 2

• 4

• 1

• 6

An atom has 5 protons, 5 electrons, and 5 neutrons. What is it?

• Calcium

• Sodium

• Hydrogen

• Boron

Tags

NGSS.MS-PS1-1

An atom has 10 protons, 10 neutrons, and 10 electrons. What element is it?

• Argon

• Helium

• Nitrogen

• Neon

Tags

NGSS.MS-PS1-1

How many valence electrons does Nitrogen have?

• 7

• 2

• 5

• 4