Oct 2021 Atomic Calcs Quiz

What is the atomic number?

• the number of protons in the nucleus

• the number of neutrons in the nucleus

• the number of protons and neutrons in the nucleus

• the number of protons in the energy levels

What is the mass number?

• the number of protons in the nucleus

• the number of neutrons in the nucleus

• the number of protons and neutrons in the nucleus

• the number of protons and electrons in the atom

Tags

NGSS.MS-PS1-5

What does the 6 represent?

• atomic number

• Atomic mass

• chemical symbol

• element name

Tags

NGSS.MS-PS1-1

Where is most of the mass in an atom located?

• in the neutrons

• in the nucleus

• in the electrons

• in the protons

Which of the following determines the identity of an element?

• number of protons

• number of neutrons

• atomic mass

• number of shells

Which particle is negatively charged?

• atom

• proton

• neutron

• electron

Tags

NGSS.MS-PS2-3

Valence electrons are the...

• Outermost electrons

• Innermost electrons

• Middle electrons

• Any electrons

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

• proton

• neutron

• electron

• valence electron

What is the name of this element?

• Neon

• Lithium

• Carbon

• Boron

Tags

NGSS.MS-PS1-1

Which set of information completes the 2nd row of the chart?

• Sulfur; 16; 33

• Sodium; 11; 28

• Sulfur; 16; 32

• Sulfur; 17; 32.065

Tags

NGSS.MS-PS1-1