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Structure of the Atom/Periodic table Flashcards | StudBud
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Structure of the Atom/Periodic table
Structure of the Atom/Periodic table
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#science #periodictable #atoms #chemistry #8thgrade #middleschool #rrisd
Flashcards
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Questions
26
Answers
1
Which groups are HIGHLY reactive?
18
13-17
1 and 17
2, 13, 14, 15, 16
2
True/False: Elements in the same period have the same number of valence electrons?
True
False
3
Which of the following is NOT a property of non-metals?
Good thermal conductors
easily gains electrons
Brittle
Dull
4
What is unique about metalloids?
They the only liquid elements
They are the only explosive elements
They have a all the qualities of both metals and non-metals
They have some qualities of metals and some of non-metals.
5
What subatomic particles are found in the nucleus?
Protons and electrons
Protons and neutrons
protons only
Valence electrons only
6
All matter is made up of building blocks called _____
subatomic particles
valence electrons
atoms
neutrons
7
Which of the following is a metal
carbon
hydrogen
boron
Potassium
8
How many Neutrons are in Zinc?
40
35
30
34
9
how many neutrons does Fluorine have?
0
19
9
10
10
What are the positively-charged particles in an atom called?
There aren't any positive particles in an atom.
Electrons
Protons
Valence electrons
11
Neutrons have a mass of _____.
2 lbs
1 a.m.u
0 a.m.u
1 lb
12
The atomic mass is made up of _____
electrons only
valence electrons + neutrons
Protons + electrons
Protons + Neutrons
13
How many neutrons are in the nucleus of an atom with an atomic number of 51?
122
51
71
0
14
How many protons does Fluorine have?
19
10
9
8
15
How many electrons are in the nucleus of an atom with an atomic number of 19
19
0
9
10
16
What is the smallest subatomic particle? What is it's mass?
Electrons; negative
Neutrons; negative
Protons; neutral
Electrons; positive
17
What subatomic particle determines an elements identity
Atomic mass
electrons
Protons
Neutrons
18
Which element does this Bohr model represent? How many valence electrons are there?
Bromine; 7 valence electrons
Chlorine; 7 Valence electrons
Chlorine; 17 valence electrons
Boron; 7 valence electrons
19
How many valence electrons does fluorine have?
9
3
7
0
20
Where are electrons found in an atom?
The nucleus
The neutron
Electron cloud
There aren't electrons in an atom
21
Which of the following is a metalloid?
sodium
Neon
Arsenic
Lead
22
Which element does the Bohr model represent?
Carbon
Silicon
Nitrogen
Phosphorus
23
The overall charge of the nucleus is _______.
Neutral
Negative
Positive
24
What element has an atomic number of 30?
Bromine
lead
Silicon
Zinc
25
Which element is most likely to lose an electron?
Chlorine
Boron
Neon
Sodium
26
How many electrons doe fluorine have?
10
19
18
9
