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Chemistry and More Intro Flashcards | StudBud
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Chemistry and More Intro
Chemistry and More Intro
40 terms
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381 plays
Chem intro for class w/ other topics we cover.
Flashcards
40 cards
F
Practice quiz
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Host live
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Questions
40
Answers
1
America's first space program was called __.
Project Orion
Project Mercury
Apollo
Project Gemini
2
What is the negative part of an atom called?
Neutron
electron
nucleus
Proton
3
A substance or molecule that participates in a chemical reaction
product
reactant
energy
activation energy
4
What is a substance made up of atoms of 2 or more diff elements joined by chem bonds called?
molecule
substance
ion
compound
5
The study of matter and how it changes?
Chemistry
Physics
Anatomy
Biology
6
Neil Armstrong was the first man on the moon, but who was the last?
Armstrong
Lovell
Cernan
Aldrin
7
What is an atom that has gained or lost electrons called?
substance
compound
molecule
ion
8
Elements that do not react with other elements are referred to as ___.
inert
stable
nonreactive
noble
9
How many times has America landed on the moon?
never
three
once
six
10
Where are most metals on the periodic table
On the left side only
On the left side and in the middle
In the middle only
On the right side only
11
The capacity to do work
energy
reactant
activation energy
product
12
The nucleus takes up this percent of mass of an atom?
91.7
87.7
99.9
96.4
13
What is a group of atoms held together by chemical forces called?
molecule
compound
substance
ion
14
If the volume of a gas is decreased, then the temperature of that gas will __.
Not be affected
increase
all of the above
decrease
15
Name that Bohr Model!
Magnesium
Sodium
Neon
Flourine
16
The amount of force over a given area is known as __.
volume
power
temperature
pressure
17
The amount of matter in an object
Density
Volume
Weight
Mass
18
The amount of space an object takes up
Density
Mass
Weight
Volume
19
What is the region around the nucleus called?
Outer Space
electron cloud
Schrodinger Cloud
positronic layer
20
Was the moon landing fake?
No
Yes
21
What part of the atom has no charge?
nucleus
electron
proton
neutron
22
What is the correct Lewis Dot Structure?
A
D
C
B
23
This is a negatively charge ion?
Cation
Alkaline
Alkali
Anion
24
Balance the following reaction
2; 1; 2; 1
1; 1; 1; 1
2; 2; 1; 1
1; 2; 1; 1
25
The element on the Periodic table that is the most abundant.
Helium
Nitrogen
Silicon
Hydrogen
26
Which contains all the known states of matter?
solid, liquid, gas
solid, liquid, gas, plasma, B.E., Lucas
solid, liquid, gas, plasma, B.E.
plasma, gas, solid
27
What are valance electrons?
protons found in the outermost shell
protons found in the nucleus
electrons found in the outermost shell
electrons found in the nucleus
28
What is vaporization?
gas to solid
liquid to gas
liquid to solid
solid to gas
29
If the temperature of a gas increases, how will the volume and pressure react
Volume up/Pressure down
Both Decrease
Both Increase
Volume down / Pressure up
30
How many electrons can fit in the 2nd Energy Level?
6
18
8
2
31
A substance that forms in a chemical reaction
reactant
activation energy
energy
product
32
When an atomic nucleus break apart is called __.
nuclear explosion
radiation
nuclear decay
atomic seperation
33
How many groups are on the periodic table?
15
7
18
8
34
When an atom gains or loses an ion, what kind of bond is it?
covalent bond
chemical bond
ionic bond
35
What are the 2 variables that Gay-Lussac used in his gas law?
pressure and number of gas molecules
volume and temperature
volume and pressure
pressure and temperature
36
The person responsible for discovering energy levels in atoms is __.
Aristotle
Einstein
Bohr
Thompson
37
During the flame test, what happens to electrons.
They form different elements
Nothing
They undergo nuclear decay
They jump energy levels
38
This type of bond is formed when atoms share electrons?
Covalent
Ionic
Bipolar
Polar
39
We have all seen N.A.S.A. What does it stand for?
National Aeronautics and Space Administration
National Air & Space Association
North America Space Agency
National Air and Space Agency
40
What is the positive part of an atom called?
neutrons
nucleus
electrons
protons
