Recap Protons and electrons

What do we call protons, electrons, and neutrons as a group?

• Billy Bob Emilys

• subatomic particles

• Spiral-shaped yeast buns

• periodic table of the elements

Tags

NGSS.MS-PS1-1

Which statement best describes an electron?

• Smaller mass than a proton and a negative charge
• Smaller mass than a proton and a positive charge
• Greater mass than a proton and a negative charge
• Greater mass than a proton and a positive charge

What charge does a neutron have?

• positive
• negative
• no charge
• neutral

What charge is the proton?

• positive

• no charge (neutral)

• negative

• Senaida-charged

Tags

NGSS.MS-PS2-3

An electronically neutral atom has the number of protons and _____, so the atom has overall no charge.

• protons

• neutrons

• electrons

• nucleus

What is an atomic number?

• The sum of protons and neutrons in an atom.
• The sum of protons and electrons in an atom.
• The number of protons in an atom of a specific element.
• The number of neutrons in a specific element.

The number of protons plus neutrons.

• Mass number
• Mass Weight
• Atomic number
• Atomic weight

Atomic weight

• number of protons and neutrons inside the nucleus

• number or electrons or protons

• number of protons, neutrons and electrons

Tags

NGSS.MS-PS1-1

Atoms with similar properties are most likely located...

• in the same period.
• in the same group.
• in different periods.
• to the right and left of each other.

what does the 6 represent?

• Atomic mass
• atomic number
• chemical symbol
• element name

Tags

NGSS.MS-PS1-1