Measurement and Density
States of Matter
Elements and Atomic Structure
Bonding
Types of Reactions
100

What tool is used to measure length?

A ruler, tape measure, or meter stick

100

What state of matter has the lowest energy?

Solid

100

What element has 16 protons?

Sulfur

100

In this type of bonding, electrons are STOLEN.

Ionic Bonding

100

What type of reaction here? How do you know?

2Mg + O2 --> 2MgO

Synthesis


200

What tool is used to measure volume of a liquid?

A graduated cylinder 

200

How do I turn a solid into a liquid?

Add heat (melt it)

200

How many total electrons does Chlorine have?

17 electrons

200

This type of bonding does NOT conduct electricity. 

Covalent bonding

200

What type of reaction here? How do you know?

2Mg + 2HCl --> H+ 2MgCl

Single displacement

300

Does this picture show accuracy or precision? 

Precision


300

What state of matter is shown here? 

Gas
300
What is a valence electron?
Electrons in the outer ring of an atom
300

What type of bond would occur between Potassium (K) and Chlorine (Cl)?

Ionic bond


300

What products do a combustion reaction HAVE to have?

Carbon dioxide (CO2) and water (H2O)

400

What is the density of an object that has a mass of 10 grams and a volume of 2 mL?

5 g/mL

400

How do I turn a gas into a liquid?

Remove heat (make it colder)

400

How many valence electrons does Chlorine have?

7 valence electrons 

400

What would be the final balanced formula for the bonding of Calcium (Ca) and Chlorine (Cl)?

CaCl2

400

What are 5 signs of a chemical reaction?

Color change, texture change, gas, solid from liquid, change of energy.

500

What is the mass of an object with a density of 5 g/mL and a volume of 10 mL? 

50 grams

500

What is it called when a gas turns into a liquid?

Condensation 

500

What element is represented here? 

Potassium


500

What would be the final balanced formula for the bonding of Fluorine (F) and Fluorine (F)?

F2

500

What type of reaction here? How do you know?

AgCl + MgF --> AgCl + MgF

No reaction!!!