NEW
Font size
WorksheetsREVIEW QUIZ
Total questions: 31
Worksheet time: 22mins
A student mixes 125 grams of sugar, 250 grams of water and 5 grams of flavoring. The solution weighs...
250 grams
380 grams
375 grams
400 grams
H2SO4
How many elements are in this chemical formula?
H2SO4
1
2
3
4
What are humans?
Autotrophs
Heterotrophs
What is asparagus?
autotroph
heterotroph
What is a cactus?
autotoph
heterotroph
What is a flamingo?
autotroph
heterotroph
Elements in a .................. have similar chemical properties.
period
group
row
Which group of the periodic table is composed of inert (not reactive) gases?
answer choices
alkali metals
alkaline earth metals
halogens
noble gases
How many neutrons does lithium have?
3
4
6
7
How many neutrons are in magnesium?
12
24
25
36
How many electrons does helium have?
2
4
6
8
How do you find the number of neutrons in an atom?
It's the same as the atomic #
It's the same as the mass number
Subtract the atomic # from the mass number
Add the mass number and the atomic #
Choose the best description below for the image
physical change
chemical change
Did a chemical change take place?
yes
no
What is the function of the digestive system?
to take in oxygen and excrete carbon dioxide
to excrete wastes from the body
to pump blood throughout the body
to break down food into useful nutrients
What is the function of the respiratory system?
to take in oxygen and excrete carbon dioxide
to excrete wastes from the body
to pump blood throughout the body
to break down food into useful nutrients
The skeletal system and the muscular system work together to do which of the following?
transport nutrients to the rest of the body
transport oxygen to the rest of the body
remove wastes from the body
allow the body to move from one place to another
What element is represented in this Bohr Model?
Carbon
Hydrogen
Aluminum
Lithium
