Atomic Structure

Which of these is NOT a basic piece of an atom?

• proton
• neutron
• electron
• quantron

Which atomic particle has a negative charge?

• proton
• neutron
• electron
• all of the above

The positively charged parts of an atom are the

• protons
• electron clouds
• neutrons
• electrons

Tags

NGSS.MS-PS1-1

What part of the atom is indicated by the red sphere?

• nucleus
• electron cloud
• electrons
• neutrons

Tags

NGSS.MS-PS1-1

The term "neutral" means

• having only a little bit of charge
• having a positive charge
• having a negative charge
• having no charge at all

The atomic number identifies the number of __________.

• electrons

• atoms

• protons

• 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 electrons does sulfur have

• 16

• 32

• 48

• 12

Tags

NGSS.MS-PS1-1

The center of an atom is called the ________________.

• electron cloud

• nucleus

• neutrion

• nuetron

How many protons does indium have?

• 49

• 66

• 114

• 115

Tags

NGSS.MS-PS1-1