Matter Review

In what way are mixtures combined?

• Heterogeneously

• Homogeneously

• Chemically

• Physically

Type of mixture that looks uniform because something has dissolved.

• Homogenous Solution

• Heterogeneous Suspension

• Heterogeneous Colloid

• Pure Substance

How can you determine the number of protons in an atom?

• the AMU

• the atomic number

• the group number

• the period number

Helium and Xenon are in the same family. What can you assume?

• They have similar chemical properties.

• They will bond the similarly.

• They have the the same number of valance electrons.

• All of these options.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which Scientist had the Planetary Model, where the electrons are seen orbiting the nucleus?

• Dalton

• Bohr

• Rutherford

• Thomson

Which model did Thomson have?

• Plum Pudding Model

• Planetary Model

• Solid Sphere Model

• Electron Cloud Model

_________ used the ________ experiment to discover a small, dense, positively charged nucleus in an atom.

• Bohr; Planet

• Thomson; Gold Foil

• Rutherford; Gold Foil

• Rutherford; Planet

Tags

NGSS.HS-PS1-8

What is the largest group in the periodic table?

• Non-Metals

• Metals

• Metalloids

• Noble Gases

If Sodium has an atomic number of 11 and an AMU of 22.99, how many neutrons will it have in the nucleus?

• 34

• 11

• 23

• 12

Tags

NGSS.MS-PS1-1

What are the electrons in the valence shell used for?

• determining the mass

• the atom's identity

• bonding

• the number of levels

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2