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Periodic Table Background Chemistry Flashcards | StudBud
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Periodic Table Background Chemistry
Periodic Table Background Chemistry
25 terms
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Periodic Table review #periodictable #elements #chemistry #atoms #electrons #atomictheory
Flashcards
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Questions
25
Answers
1
In a chemical reaction, energy is released when
Bonds form
Atoms are created
Atoms are destroyed
Bonds are broken
2
Is Iodine a metal, nonmetal, or metalloid?
metal
metalloid
nonmetal
3
Is sodium a metal, nonmetal, or metalloid?
metalloid
nonmetal
metal
4
How many neutrons do most oxygen atoms have?
8
2
16
7
5
Is uranium a metal, nonmetal, or metalloid?
nonmetal
metalloid
metal
6
The nucleus of an atom is composed of what?
neutrons + electrons
protons + neutrons
electrons + protons
protons only
7
If Magnesium (Mg) formed a bond with Florine (F), the result would be a(n)...
Solution
Solvent
Molecular Compound
Ionic Compound
8
How many electrons does the ion Na+ have?
11
23
10
12
9
How many electrons complete the first energy level?
8
2
6
4
10
How is the modern periodic table organized?
By chemical symbol
By atomic mass
By density
By atomic number
11
The number on the bottom (15.999) represents what?
number of protons
atomic number
number of electrons
atomic mass
12
An isotope has a different number of what?
protons
electrons
neutrons
13
How many electrons does the ion Cl- have?
17
16
35
18
14
In a chemical reaction, energy is absorbed when
Bonds are broken
Bonds form
Atoms are destroyed
Atoms are created
15
The atomic number on the periodic table represents what?
number of protons
number of neutrons
number of electrons
weight of atoms
16
The carbon isotope, C-14, has how many neutrons?
8
14
12
6
17
The number 8 represents what?
neutron number
mass number
atomic number
atomic mass
18
Nitrogen has how many protons?
7
14
3
1
19
If Sodium (Na) formed a bond with Chlorine (Cl), the result would be a(n)...
Molecular Compound
Solvent
Solution
Ionic Compound
20
If Carbon formed bonds with Hydrogen and Oxygen, the result would be a(n)...
Molecular Compound
Ionic Compound
Solvent
Solution
21
A neutrally-charged Carbon atom has how many electrons?
6
4
12
3
22
Is Nitrogen a nonmetal, metal, or a metalloid?
metalloid
nonmetal
metal
23
Atomic mass equals what?
protons
electrons + neutrons
protons + neutrons
protons + electrons
24
How many electrons complete the second energy level?
4
8
6
2
25
How many electrons complete the third energy level?
2
4
8
6
