Chemistry Final

What two types of measurements make up DENSITY? 

• Mass and Volume

• Temperature and Mass

• Grams and Centimeters

• Volume and Weight

The easiest way to tell if a change is physical or chemical is to ask yourself?

• Did it break?

• Did it change color?

• Did it create a new substance?

• Did it look cool?

Tags

NGSS.MS-PS1-2

Balanced or Unbalanced? (a)  

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What does the nucleus of an atom contain?

• Electrons and neutrons

• Protons and neutrons

• Neutrinos and positrons

• DNA and RN

Tags

NGSS.MS-PS1-1

How does thermal energy play a role in particle motion and changes of state?

• Thermal energy is a term that refers to temperature

• Increasing an object's thermal energy increases particle motion and can cause a change of state.

• Decreasing an object's thermal energy increases particle motion and can cause a change of state.

• Thermal energy is the energy added from a heat source.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The atoms along the staircase are called 

• metals

• nonmetals

• metalloids

• noble gases

Ions form because atoms either gain or lose

• electrons

• protons

• neutrons

• quarks

Tags

NGSS.HS-PS1-2

The most reactive metals are in which group?

• The Alkali Metals

• The Alkaline Earth Metals

• The Boron Group

• The Transition Metals

In what type of bond are electrons gained or lost?  This happens between a metal and a non-metal?

• ionic

• covalent

• subatomic

In this type of bond electrons are shared by two non-metals

• ionic

• covalent

• subatomic