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7th - Atomic Structure & Elements BC + Chemistry Test COMBINED Flashcards | StudBud
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7th - Atomic Structure & Elements BC + Chemistry Test COMBINED
7th - Atomic Structure & Elements BC + Chemistry Test COMBINED
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A #science quiz over #atomicstructure and #elements
Flashcards
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Questions
20
Answers
1
When atoms share their electrons, __________ bonds form.
ionic
covalent
bionic
unbreakable
2
Most of the atom's ______ is located in the nucleus.
reactants
products
mass
empty space
3
In a chemical equation, the substances on the RIGHT side of the arrow are....
reactants
winners
products
beginners
4
If the mass of the reactants is 10 grams, what should be the total mass of the products?
10 grams
20 grams
5 grams
0 grams
5
The vertical columns on the periodic table are called ___________.
periods
families
rows
groups
6
What two particles are located in the nucleus?
NOTHING
protons & electrons
protons & neutrons
neutrons & electrons
7
This type of reaction releases excess energy as heat, light, or sound.
hypothermic
covalent
exothermic
endothermic
8
What is the mass of a proton?
1 amu
0 amu
3 amu
2 amu
9
In a chemical equation, the substances on the LEFT side of the arrow are....
exothermic
products
beginners
reactants
10
What are the building blocks of matter?
LEGOS
molecules
bricks
atoms
11
This particle has a neutral charge.
Tron
neutron
electron
proton
12
"Atoms cannot be created or destroyed, only transformed," is known as the Law of......
Conservation
Conservation of Mass
Conservation of Elements
Conservation of Reactions
13
This type of reaction requires more energy than is produced, making the reaction feel cold.
hypothermic
endothermic
covalent
exothermic
14
When two oppositely charged atoms are attracted to each other, they form a(n) ___________ bond.
covalent
ionic
bionic
unbreakable
15
A substance that contains two or more types of atoms is called a....
sandwich
product
element
compound
16
The horizontal rows on the periodic table are called ___________.
weird
periods
groups
families
17
This particle has a negative charge.
Tron
proton
neutron
electron
18
This particle has a positive charge.
Tron
proton
neutron
electron
19
Which part of the atom is the smallest?
electron
proton
neutron
20
What are forms of matter that cannot be broken down any further by normal chemical reactions?
elements
bricks
molecules
LEGOS
