Unit 1: Atoms and Periodic Table

What are the main "ingredients" of all atoms?

• solids, liquids, gases

• proton, neutron, electron

• touch, smell, temperature

Tags

NGSS.MS-PS1-1

What is a proton?

• A negatively charged particle in the nucleus.

• A particle outside of the nucleus with a positive charge.

• A positively charged particle in the nucleus.

Tags

NGSS.MS-PS1-1

What vocabulary word represents the number of protons and neutrons in an atom?

• Atomic Number

• Atomic Mass

• Atomic Mass Unit

Tags

NGSS.MS-PS1-1

A _____ are the rows on the periodic table and ____ are the columns on the periodic table.

• groups, periods

• periods, groups

• patterns, repeating

• vertical, horizontal

Which one is correct for an element?

• Atomic Number = # of Neutrons

  Mass Number = # of Protons

• Atomic Number = # of Protons + Neutrons

  Mass Number = # of Neutrons

• Atomic Number = # of Protons

  Mass Number = # of Protons + # of Neutrons

Tags

NGSS.MS-PS1-1

An element is:

• a pure substance

• Cannot be separated into smaller pieces that are the same element.

• Found on the Periodic Table

• 2 or more of the above are true

What part of the atom is the arrow pointing to?

• electron

• proton

• neutron

• nucleus

Tags

NGSS.MS-PS1-1

What part of the atom is the arrow pointing to?

• electron

• proton

• neutron

• nucleus

Tags

NGSS.MS-PS1-1

What part of the atom is the arrow pointing to?

• electron

• proton

• neutron

• nucleus

Tags

NGSS.MS-PS1-1

What part of the atom does the box contain?

• electron

• proton

• neutron

• nucleus

Tags

NGSS.MS-PS1-1