Atoms & Elements (8.P.8.5)

What causes the differences in particle motion between solids, liquids, and gases?

• Changes in pressure

• Differences in heat energy

• Variations in mass

• Alterations in chemical composition

Tags

NGSS.MS-PS1-4

In a solid, how do the particles move?

• Freely and randomly

• Past each other

• Vibrate in a fixed position

• They don't move

Where are electrons located in an atom?

• In the nucleus

• In electron clouds/shells surrounding the nucleus

• Randomly throughout the atom

• Only in the center of the atom

Which of the following is an example of a compound?

• Oxygen (O₂)

• Gold (Au)

• Water (H₂O)

• Nitrogen (N₂)

Tags

NGSS.MS-PS1-1

How are elements organized in the periodic table?

• By their size

• By their color

• By their atomic number and properties

• By their state of matter

What are the horizontal rows in the periodic table called?

• Groups

• Columns

• Periods

• Families

Elements in the same group have similar chemical properties because they have the same number of...?

• Protons

• Neutrons

• Electrons

• Valence electrons

Which of the following is a property of metals?

• Brittle

• Poor conductors of heat

• Malleable

• Dull

Where are nonmetals located on the periodic table?

• Left side

• Right side

• Middle

• Bottom

Metalloids have properties of...?

• Only metals

• Only nonmetals

• Both metals and nonmetals

• Neither metals nor nonmetals