Atoms and Chemistry basics

Smallest unit of matter - the building blocks of all things.

• Atom

• Electron

• Element

• Molecule

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What's the charge on an electron?

• positive 1

• negative 1

• no charge

• variable

Tags

NGSS.MS-PS2-3

Charge on a proton?

• positive 1

• negative 1

• no charge

• varies

Charge on a neutron?

• positive 1

• negative 1

• no charge

• varies

what is the center of the atom?

• Shell

• Proton

• Nucleus

• Bond

What's in the nucleus?

• Protons

• Neutrons

• Electrons

• Protons and neutrons

• Protons and electrons

What is the overall charge on an atom?

• positive

• negative

• neutral

• 2

What is the charge of the nucleus?

• ALWAYS negative

• ALWAYS positive

• ALWAYS neutral

• Varies

What does the Atomic Number tell us?

• 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 electrons in the nucleus

What does the Atomic Mass tell us?

• The number of protons in the nucleus

• The number of neutrons in the nucleus

• The number of protons plus neutrons in the nucleus

• The number of electrons in the nucleus