Chemistry Basics

Identify the type of mixture:

Chocolate chip cookie

• homogeneous

• heterogeneous

• pure substance

Answer explanation

it is unevenly mixed- if you were to split the cookie with a friend, you would not be guaranteed to get the same things

Identify the type of mixture:

Lucky Charms cereal

• homogeneous

• heterogeneous

• pure substance

Answer explanation

it is unevenly mixed- if you were to split the cereal with a friend, you would not be guaranteed to get the same things

Identify the type of mixture:

Gatorade sports drink

• homogeneous

• heterogeneous

• pure substance

Answer explanation

it is evenly mixed- if you were to split the drink with a friend, you would get the same thing

What is the study of the composition, structure, and changes of MATTER?

• Chemistry

• Biology

• Geology

• Physics

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

The Periodic Table is organized according to the number of ____ in one atom of that element.

• Protons

• Neutrons

• Electrons

Tags

NGSS.MS-PS1-1

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL

• 7 g/cm³

• 28 g/cm³

• 1/7 g/cm³

A sample has a volume of 25 ml and a density of 10 g/ml. Calculate the mass.

• 250 g

• 35 g

• 2.5 g

• 0.4 g

Which chemical symbol is written correctly for the element bromine?

• bR

• BR

• Br

• br

Particles in an atom that are neutral and have no charge are 

• negatrons 

• electrons 

• neutrons 

• protons 

The blue section is called the ____.

• Alkali Metals

• Alkaline Earth Metals

• Halogens

• Transition Metals

• Noble Gases