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Chemistry quiz
Chemistry quiz
14 terms
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For Science 9 class on topics such as ionic vs. covalent, groups, and molecules.
Flashcards
14 cards
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Practice quiz
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Questions
14
Answers
1
Covalent bonds are usually stronger than ionic bonds
True
False
2
Something interesting about halogens is that they have a full valence shell and is are not reactive
True
False
3
How many total atoms are joined together in this molecule: Fe(H
2
O)
6
2+
19
24
2+
9
4
Which of the following is a proper chemical formula of a covalent bond?
C1Cl4
CCl4
ClH
NaCl
5
Where can you find the transition metals on your periodic table?
In the middle section
At the bottom
Not a thing
To the very far left
6
As you go down the alkali metals, they become more reactive with water
True
False
7
Water has 2 oxygen atoms
False
True
8
The following is a(n) ________ bond:
physical
covalent
ionic
friendship
9
As the number of electrons increase, the shell radius increase due to repelling forces between electrons and protons.
False
True
10
Al
3
(CO
3
)
3
has:
3 aluminum, 3 carbons, and 9 oxygens
3 alkaline metals, 3 carbons, and 9 oxygens
3 aluminum, and 3 cobalt
3 aluminum, 3 carbons, and 3 oxygens
11
What is the number of
neutrons
in a regular manganese ion?
23
30
54.9
25
12
What is a compound in chemistry?
2 or more different elements joined together
A type of interest on the accumulated interest from previous periods.
2 or more compounds co-existing without any reactions/interference
2 or more of the same elements joined together
13
Which family/group contains elements that are primarily in a gaseous state and rarely react
Noble gasses
Group 18
There isn't such family
Halogens
14
Covalent bonds are known to conduct electricity well
True
False
