Have an account?
Skip to Content
15 questions
Show Answers
See Preview
- Multiple ChoicePlease save your changes before editing any questions.
An atom has 10 protons and 11 neutrons. What is the atomic number
10
11
21
22
- Multiple ChoicePlease save your changes before editing any questions.
An atom has a mass of 35 and an atomic number of 17. How many neutrons does this atom have?
35
17
18
52
- Multiple ChoicePlease save your changes before editing any questions.
What charge do electrons have?
positive
negative
neutral
- Multiple ChoicePlease save your changes before editing any questions.
How are ions formed?
Gaining or losing protons
Gaining or losing neutrons
Gaining or losing electrons
Gaining of losing mass
- Multiple ChoicePlease save your changes before editing any questions.
An atom has 6 protons and 7 neutrons. What element is this?
Carbon
Nitrogen
Aluminum
Oxygen
- Multiple ChoicePlease save your changes before editing any questions.
What type of bonds share electrons?
hydrogen
covalent
ionic
- Multiple ChoicePlease save your changes before editing any questions.
What type of bond is shown in the image?
Hydrogen
Ionic
Covalent
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following elements is a metal?
Sodium
Oxygen
Hydrogen
Argon
- Multiple ChoicePlease save your changes before editing any questions.
Why is water polar?
It has ionic bonds
It is partially charged
It has a neutral charge
It has a north and south pole
- Multiple ChoicePlease save your changes before editing any questions.
Which has a lower pH?
acids
bases
- Multiple ChoicePlease save your changes before editing any questions.
Which has a higher amount of OH- ions?
acids
bases
- Multiple ChoicePlease save your changes before editing any questions.
What to enzymes do?
speed up a chemical reaction
increase the energy of a reaction
increase the time of a reaction
- Multiple ChoicePlease save your changes before editing any questions.
What type of reactions absorb energy?
Endothermic
Exothermic
- Multiple ChoicePlease save your changes before editing any questions.
Which is not a property of water?
Universal solvent
cohesion
low specific heat
adhesion
- Multiple ChoicePlease save your changes before editing any questions.
What type of bonds are shown between the water molecules in the image?
Covalent bonds
Ionic bonds
Hydrogen bonds