What is an Ionic Bond?

The stealing or giving away of electrons

What is a coefficient?

The large number in the front of the formula

What is chemical formula?

The Element Symbol, subscripts,

The chemical formula for a compound tells __________ .

What elements in contains and how many of each

when counting atoms, which of the following is used?

both subscripts and coefficients

Short way to write a # being multiplied by itself a certain amount of times

3 things that must be considered when counting atoms

Subscripts, Coefficients, Parenthesis

shows how many times a base number is multiplied.

What is a Covalent Bond?

A Chemical Bond that forms when electrons are shared

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Bonding & Formulas

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Questions 76

Answers

1
What is an Ionic Bond?
Both A and B
The stealing or giving away of electrons
A type of Atom
A type of Covalent Bond
2
What is a coefficient?
The small number after the lessters
a number that tells how many atoms there are
The large number in the front of the formula
a number on its own
3
Which of these people act as James Bond?
Sean Connery
Robbie Coltrane
Ryan Reynolds
Daniel Radcliffe
4
What is chemical formula?
A New type of phone
A bunch of meaningless numbers and letters
Cake
The Element Symbol, subscripts,
5
What is wrong with this Lewis Dot Structure?
Too many Dots
Dots in Wrong Place
Wrong Element
Too Few Dots
6
Number of atoms in CO
infinity
0
1
2
7
Which pair are likely to form a covalent bond?
Carbon and Calcium
Hydrogen and Fluorine
Lithium and oxygen
Chlorine and Potassium
8
The chemical formula for a compound tells __________ .
how electrons are arranged
how stable a compound is
What elements in contains and how many of each
what type of chemical bond it forms
9
In an ionic bond, nonmetals ......
Lose electrons
Gain electrons
Borrow electrons
Share electrons
10
Helium Has eight valence electrons
False
True
11
Which is the correct Lewis Dot Structure?
F
D
G
E
12
Covalent Bond
NM+NM
None of the above
M+M
NM+M
13
Carbon has 5 valence electrons.
False
True
14
What are the number of hydrogen atoms in C₁₂H₂₂O₁₁?
0
12
22
11
15
Where are valence electrons located?
in the nucleus
first shell
they don't exist
outer most shell
16
Number of total atoms in BaO₂H₂
2
7
5
3
17
Which chemical formula identifies the model shown?
CO2
O2
H2O2
NH3
18
A pure substance can be either and element or a compound
False
True
19
Let do some counting... C_169,719H_270,466N_45,688O_52,238S_{911 .How many atoms are there?}
539,028
6
5
539,022
20
Shows the number of atoms of each element in the molecule
Chemical Formula
Chemical equations
Chemical theories
21
Is this an element, compound?
Compound
Element
22
Number of atoms in CO₂
0
3
2
1
23
Does an ionic bond create an ionic compound?
No
Yes
24
What are the number of chlorine atoms in NaCl?
0
2
10
1
25
In an ionic bond, metals .....
Lose electrons
Are to the right of the Periodic Table
Gain electrons
Share electrons
26
Total number of atoms in 2 Ca₃(PO₄)₂
13
26
24
12
27
Which element has four valence electrons?
Potassium (K)
Silicon (Si)
Sulfur (S)
28
when counting atoms, which of the following is used?
neither subscripts nor coefficients
subscripts
both subscripts and coefficients
coefficients
29
Ionic Bond
M+M
M+NM
None of the above
NM+NM
30
how can you find the valence electrons???
the atomic number
The group number
the symbol
mass #
31
What is the coefficient?
-
n
4
1
32
What is an exponent?
A random number
The base times the exponent
Short way to write a # being multiplied by itself a certain amount of times
A long way to write a number
33
Is O₂ a Covalent Bond?
Maybe..
I don't know
No
Yes
34
3 things that must be considered when counting atoms
Subscripts, Molecules, Parenthesis
Neutrons, Protons, Electrons
Subscripts, Coefficients, Parenthesis
Parenthesis, Coefficients, Neutrons
35
What are the number of oxygen atoms in C₁₂H₂₂O₁₁?
22
12
0
11
36
A covalent bond means that .....
electrons have been swapped
electrons are not involved in the bond
electrons have been shared
37
Number of hydrogen atoms in CH₂COOH
3
7
2
6
38
How many valence electrons does group 16 have?
1
16
6
3
39
Iodine has _____ valence electrons.
53
17
7
5
40
MgCl is a ionic bond.
False
True
41
You can determine the number of atoms in a formula by counting the
Subscripts
Charges
Oxidation Number
Coefficients
42
Element or Compound?
Compound
Element
43
In an ionic bond, nonmetals become .....
A cation
An anion
More metallic
Less metallic
44
An exponent...
means that a number is cubed.
used to be a pone but was recently removed from the group.
is the evil twin of inponent.
shows how many times a base number is multiplied.
45
Covalent bonds share valence electrons
False
True
46
What does a Lewis Dot Diagram show?
neutrons
total electrons
protons
valence electrons
47
Atoms become ions by ___
gaining or losing neutrons
gaining or losing electrons
nuclear reactions
gaining or losing protons
48
What is a Covalent Bond?
When Electrons are shared
None of the Above
A Chemical Bond
A Chemical Bond that forms when electrons are shared
49
Is CO₂ an Ionic bond?
yes, what else could it be.
No, it's a covalent bond.
i honestly don't know
no, CO2 is non-existent.
50
How many electrons does silicon have available for bonding?
4
2
8
14
51
Which of these elements has 5 valence electrons?
Potassium
Nitrogen
Oxygen
Boron
52
What is the TOTAL number of atoms in this formula?
4
2
7
6
53
Compound vs Element
Compound
Element
54
Which is an example of a covalent bond?
CaF2
CO2
PVC
KBr
55
How many dots on the Lewis Dot does this element have?
3
8
7
4
56
In an ionic bond, metals become ......
An anion
A cation
More metallic
Less metallic
57
Everything is made of Atoms
False
True
58
Count the number of atoms in C₅O₂H₈
5
8
15
3
59
Are valence electrons close to or far from the nucleus?
close to
far from
60
Which of these atoms (metal) would donate (Give) electrons in an ionic bond?
oxygen
chlorine
magnesium
helium
61
What is the chemical formula of water?
HO2
H2O
H3O
H2O2
62
Which element has more valence electrons
Carbon
Sodium
63
NaCl is a ionic bond.
True
False
64
How many valence electrons does Chlorine have?
8
6
7
3
65
This is a Lewis dot structure for?
Potassium
Platinum
Polonium
Phosphorus
66
which of the following is a covalent bond?
NaCl
CaCl
CO2
KCl
67
What are valence electrons?
the electrons in the outermost energy level
the electrons in the innermost energy level
68
how many valence electrons are in this picture?
6
5
16
15
69
Identify the base and the exponent.
The base is 4 and the exponent is 5.
The base is 5 and the exponent is 4.
The base is 4 and the exponent is 20.
The base is 20 and the exponent is 4.
70
A compound......
Contains some molecules or something, idk bro
Contains more than one atom
Contains only one atom
Contains more than one element
71
Number of hydrogen atoms in 2CH₂COOH
3
6
2
7
72
Definition of Lewis Dot Structure?
model used to show the importance of chemistry
representation of a molecule to show valence electron position.
representation of atomic bombs
representation of Neutrons
73
Ionic bonds share valence electrons
False
True
74
What are the number of carbon atoms in C₁₂H₂₂O₁₁?
0
12
11
22
75
What is a compound?
Atoms that gain positive or negative charge
A molecule that is composed of two or more separate elements
Two elements that can be separated by physical means
When a element has 8 valence shell
76
What is the chemical formula for Dihydrogen Monoxide
Water
H20
H202
HO

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