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Periodic Table/Matter and Change Flashcards | StudBud
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Periodic Table/Matter and Change
Periodic Table/Matter and Change
30 terms
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StudBud Administration
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266 plays
Based off of Glencoe Chapter 3
Flashcards
30 cards
F
Practice quiz
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Host live
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Questions
30
Answers
1
Which is a heterogeneous mixture?
Coca Cola
Water
Sand
Iron
2
Either positively or negatively charged
neutron
proton
ion
electron
3
What percent of our atmosphere is this element?
50
98
74
21
4
Atomic Number?
17
35
Cl
52
5
No charge: electrically neutral
ion
proton
neutron
electron
6
How many valence electrons (use periodic table)
7
0
1
2
7
Which bond type is described by the transfer of electrons and the formation of attracted ions
ionic bond
polar covalent bond
covalent bond
metallic bond
8
U
235,
U
238
Same element, but different mass numbers. They are considered
radioactive
heavy elements
isotopes
compounds
9
H
2
O + 2 CO
2 --------
H
2
CO
3
Balanced?
No
Yes
10
Which of the following would be an acid on the pH scale
4
11
7
8
11
Each time there is a flat line in this diagram, there is a _________
an increase in temperature
freeze/thaw cycle
phase change
term limit
12
The ion that causes a solution to be more basic..
OH-
O-
OH+
H+
13
Steel is made up of iron, oxygen, carbon, and chromium...it is a ....
homogenous mixture
element
compound
heterogenous mixture
14
Mass Number
35
52.4527
17
35.4527
15
water is a polar covalent molecule because...
electrons are pulled more towards hydrogen
electrons are pulled more towards oxygen
fail
electrons are equally shared between oxygen and hydrogen
16
How many neutrons?
16
8
6
4
17
How many protons?
52
17
35
can't tell
18
negatively charged
electron
proton
neutron
ion
19
Sharing of electrons would be a ______ bond
ionic
metallic
covalent
hydrogen
20
To the nearest whole number, how many neutrons?
62
60
50
61
21
mass number?
107
47
107.87
60
22
To nearest whole number, how many neutrons?
18
17
19
16
23
positively charged
neutron
ion
proton
electron
24
To have a balanced equation, you need to make sure that the _______ on each side are balanced.
protons
atoms
electrons
neutrons
25
How many protons?
107.87
60
47
107
26
As you go up/to the right on the graph, energy is __________
maintained at the same level
absorbed
released
27
7H
2...........
How many hydrogens?
0
14
21
7
28
Number of electrons in uncharged state?
16
8
4
6
29
Atomic number
107
60
107.87
47
30
Rainwater has a pH of 5.6...it is naturally
basic
neutral
acidic
dry
