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Atoms & Periodic Table!
Atoms & Periodic Table!
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8th grade TEKS 8.5A, 8.5B, and 8.5C review (Texas)
Flashcards
26 cards
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Questions
26
Answers
1
How many Electrons does the first energy level hold?
0
8
2
5
2
<p>What do the groups on the periodic table tell us about the elements in that group?</p>
The number of atoms
The number of energy levels
The number of elements
<p>Number of Valence Electrons</p>
3
<p>How many valence electrons does Group 5A have?</p>
2
5
7
6
4
Do Periods go up and down or do they go left to right
left to right
up and down
5
When an atom has a full outer energy level, what rule has that atom satisified?
Octem Rule
Octo Rule
Octet Rule
Sad Atom Rule
6
What is the special name for the elements in group 8A?
Noble Gasses
Reactive
Noble Elements
Red Elements
7
What are the 3 Subatomic Particles that make up an atom?
Positive, Neutrons, Electrons
Protons, Neutrons, Negative
Protons, Neutral, Electrons
Protons, Neutrons, Electrons
8
What is the overall charge of the nucleus?
No Charge
Positive
12
Negative
9
What type of element is Hydrogen?
Peanut Butter
Metal
Metalloid
Non-Metal
10
Where are Protons located in the atom?
Nucleus
Electron Cloud
Neutron
Positive
11
Which two subatomic particles make up the mass of an atom?
positives and negatives
neutrons and electrons
<p>neutrons and protons</p>
protons and electrons
12
Metals are located on which side of the periodic table
on the "stairs"
left
middle
right
13
If an atom has 6 valence electrons (VE), what does it have a tendency to do?
it shares VE
take VE from others
nothing
give its VE away
14
Electrons on the outermost energy level are called what?
valence electrons
electrons
Neutrons
<p>Noble Gases</p>
15
What do Valence Electrons determine?
identity of an element
The size of an atom
reactivity of an atom
How heavy an atom is
16
Elements that have 5 VE tend to react with elements that have ____ VE?
2
1
3
5
17
An atom has Atomic Mass of 35, how many electrons and Valence Electrons does it have?
17 Electrons & 7 VE
35 electrons & 7 VE
7 electrons & 7 VE
35 electrons & 35 VE
18
What is the overall charge of the electron cloud?
Positive
Super Charged
Negative
Neutral
19
What charge does a proton have?
positive
neutral
negative
proton
20
Where are electrons located in the atom?
iCloud
Electron Cloud
Nucleus
Energy Shell
21
How many Valence Electrons does Lead (Pb) have?
4
6
7
2
22
If the atomic number for an element is 17, how many protons and electrons does it have?
10 protons and 7 electrons
17 protons & 18 electrons
17 protons & 17 electrons
17 protons & 35 electrons
23
Name the 3 Types of Elements on the Periodic Table.
Metals, Meteors, Gas
Metals, Shiny, Dense
<p>Rock, Classic Rock, Heavy Metal</p>
Metals, Non-Metals, Metalloids
24
If the Atomic Number for an element is 35, how many Valence Electrons does it have?
35
7
5
21
25
Which of these answers is a characteristic of Non-metals?
shiny
brittle
great conductor of heat
Heavy
26
How many elements are in group 2A?
8
6
2
<p>4</p>
