Atomic Structure and Matter

The atomic number identifies the number of __________.

• electrons and neutrons

• atoms

• protons and electrons

• neutrons and protons

Subatomic particles that have a negative charge

• electrons

• protons

• quarks

• neutrons

The number 16 for the atomic element sulfur is the

• ionic number

• isotope

• atomic mass

• atomic number

Tags

NGSS.MS-PS1-1

How many protons does sulfur have?

• 32

• 16

• 48

• 12

Tags

NGSS.MS-PS1-1

How many electrons does sulfur have

• 16

• 32

• 48

• 12

Tags

NGSS.MS-PS1-1

Subatomic particle that has a positive charge

• electron

• poitron

• neutron

• proton

The center of an atom is called the ________________.

• electron cloud

• nucleus

• neutrion

• nuetron

In what part of an atom can the protons and neutrons be found?

• nucleus

• neutrine

• electron cloud

• proton cloud

In an atom, the number of protons is equal to the number of ____________.

• energy levels

• neutrons

• neurons

• electrons

Which subatomic particle moves around the nucleus?

• electrons

• protons

• electrode particles

• neutrons