Team 1
0
Team 2
0
Teams
Name
Score
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Loading
×
seesaw
Swap points!
Oops!
×
magnet
Take 20 points!
Okay!
×
gift
Win 25 points!
Okay!
×
banana
Go to last place!
Oops!
25
×
Draw a particle diagram of a liquid solution
Solutions are homogeneous mixtures. Should have two compounds/elements. Molecules flow but at bottom of container.
Oops!
Check
Okay!
Check
10
×
What is another name for a homogenous mixture?
A solution
Oops!
Check
Okay!
Check
×
lifesaver
Give 25 points!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
gift
Win 10 points!
Okay!
×
baam
Lose 20 points!
Oops!
15
×
Which two subatomic particles have an approximately equal mass?
Protons and neutrons weigh about 1 amu
Oops!
Check
Okay!
Check
15
×
What is the difference between an element and a compound?
Elements are composed of one type of atom, compounds two or more types of atom
Oops!
Check
Okay!
Check
15
×
How many electrons does a neutral atom of calcium have?
Calcium's atomic number is 20, so it has 20 protons. A neutral atom has the same number of protons and electrons, so 20.
Oops!
Check
Okay!
Check
10
×
What is matter?
Anything that has mass and volume
Oops!
Check
Okay!
Check
15
×
In a physical change, what happens to the organization of the atoms?
Structure of the element or compound stays the same.
Oops!
Check
Okay!
Check
×
monster
Reset all scores!
Oops!
×
shark
Other team loses 25 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 20 points!
Oops!
10
×
True or false: Elements can be atoms OR molecules?
True. Some elements bond with themselves in nature (like O2), some elements exist as single atoms (like Ne)
Oops!
Check
Okay!
Check
10
×
The periodic table is organized by...
Increasing atomic number
Oops!
Check
Okay!
Check
15
×
In a chemical change, what happens to the organization of the atoms?
Chemical bonds between atoms are broken and new bonds form. Atoms rearrange.
Oops!
Check
Okay!
Check
10
×
How many protons does sulfur have?
Sulfur's atomic number is 16, so it has 16 protons
Oops!
Check
Okay!
Check
10
×
How many valence electrons does oxygen have?
Oxygen (O) is in group 16, so it has 6 valence electrons
Oops!
Check
Okay!
Check
15
×
Which is a chemical change: chopping wood, leaves changing color, increasing temp of solution, distilling gasoline
Leaves changing color. The chlorophyll molecules break down into component elements.
Oops!
Check
Okay!
Check
×
Restart
Review
Join for Free
;
Your experience on this site will be improved by allowing cookies.
Allow cookies