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Chemistry-Elements and Compounds Flashcards | StudBud
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Chemistry-Elements and Compounds
Chemistry-Elements and Compounds
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Science quiz on elements and compounds.
Flashcards
18 cards
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Questions
18
Answers
1
The chemical symbol for carbon is C.
False
True
2
What element do we need to make our bones strong?
uranium
calcium
krypton
3
When two or more atoms are joined together, they make a...
compound
molecule
elements
atom
4
Which element is a gas at room temperature?
mercury
tin
hydrogen
5
The chemical formula for sugar is C
12
H
22
O
11
. How many atoms for each element?
45
12, 22, 11
1
6
Scientists know that everything in the universe that we can observe is made from...
atom
elements
compound
molecule
7
What is the chemical formula for water?
NaCl
H2O
C12H22O11
8
Living things need elements to live and grow.
False
True
9
What do you call a scientist who studies what everything in the universe is made of?
chemist
geologist
biologist
10
What do scientists call symbols used to show compounds?
chemical formulas
math formulas
chemical reactors
11
The marshmallow did not change when heat was added.
True
False
12
One small particle of an element is called an...
compound
elements
atom
molecule
13
Which of these elements is one of the most common elements in the universe?
argon
cerium
carbon
14
Which compound does NOT contain oxygen?
NaOCl
C6H8O6
NH3
15
What does the Periodic Table of Elements show?
molecules
compounds
elements
16
Which element is a liquid at room temperature?
nitrogen
oxygen
mercury
17
A combination of different elements joined together is called a...
atom
compound
molecule
elements
18
Labels on food packages tell us which elements are in that food.
True
False
