Elements & The Periodic Table

The smallest particle that can still be considered an element

• Matter

• Homogeneous mixture

• Atom

• Proton

Atoms have an equal amount of protons and neutrons, making them

• Have a negative electrical charge

• Have no electrical charge

• Have a positive electrical charge

• Complete

Tags

NGSS.MS-PS1-1

The positively charged particles of an atom are

• Protons

• Neutrons

• Electrons

• Waves

Tags

NGSS.MS-PS1-1

The negatively charged particles of an atom

• Proton

• Neutron

• Electron

• Waves

Tags

NGSS.MS-PS1-1

The neutral particle of an atom (that has no electrical charge)

• Proton

• Neutron

• Electron

• Wave

Tags

NGSS.MS-PS1-1

The center of the atom, where protons and neutrons are located, is called the

• Element

• Neuron

• Electron

• Nucleus

Tags

NGSS.MS-PS1-1

The modern model of the atom can be compared to

• A cloud

• An onion

• A bowling ball

• Plum pudding

Tags

NGSS.MS-PS1-1

The number of protons in the nucleus of an atom (shown at the top of a square on the periodic table) is the

• Chemical symbol

• Atomic mass

• Atomic number

• Nucleus

Tags

NGSS.MS-PS1-1

What is the atomic number for carbon?

• 1

• 6

• 12.011

• C

Tags

NGSS.MS-PS1-1

How many protons does gallium have?

• 13

• 69.723

• 70

• 31