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Chemical reactions and the periodic table Flashcards | StudBud
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Chemical reactions and the periodic table
Chemical reactions and the periodic table
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Answers
1
Where are the metals on the periodic table
The middle
The bottom
The left
The right
2
Metalloids have properties of both metals and non metals
False
True
3
Nonmetals conductivity is
Very good
Poor
Moderate
4
The law of conservation of matter states that
73.34 grams
matter is super cool
Matter is always created BEFORE is is destroyed
Matter cannot be created or destroyed
5
products are on the ___ side of an equation
not part of an equation
middle
left
right
6
What are the properties of metals ?
shiny, poor conductors of electricity and heat.
shiny, good conductors of electricity and heat.
dull, strong conductors of heat and electricity
dull, poor conductors of heat and electricity.
7
How many valence electrons are in this bohr model of Hydrogen?
0
1
8
1 element is identified as a stable non reactive element. Which one is it?
Cs
Ag
He
Na
9
Give examples of metals.
Iodine, Krypton, Radon
Aluminum, Silver, Neon
Iron, Copper, Gold
None of them are metals
10
What are the properties of nonmetals?
dull, strong conductors of heat and electricity.
shiny, poor conductors of electricity and heat.
dull, poor conductors of heat and electricity.
shiny, good conductors of electricity and heat.
11
How many atoms?
9
6
3
10
12
Where are valence electrons located?
they don't exist
in the nucleus
outer most shell
first shell
13
How many iron atoms are there?
4
6
8
2
14
The vertical columns of the periodic table are called
rows
groups
periods
columns
15
Metals are not shiny
True
False
16
Atomic Number
Cr
24
51.9961
28
17
The amount of matter in the products is equal to the amount of matter in the reactatnts
none of the above
law of conservation of matter
law of conservation of air
law of conservation of gas
18
On the periodic table, Horizontal rows are called
Families
Groups
Periods
little boats
