What happens when an acid and base are mixed together?

The acid and base will neutralize each other

The atomic weight tells you

The sum of the protons and neutrons

the number of protons and electrons are equal

Alcohol evaporates faster than water because:

Water has a higher heat capacity

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Chemistry of Biology

33 termsStudBud Administration38 plays

A #science quiz to reinforce the basics of #chemistry for #biology students

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Questions 33

Answers

1
What happens when an acid and base are mixed together?
The acid and base will neutralize each other
Chaos. Apocalypse. Fire raining from the skies.
The acid will dissolve the base
The base will dissolve the acid
2
The nucleus is composed of ______
Protons and electrons
Electrons and neutrons
Quarks and Positrons
Neutrons and Protons
3
A bond that involves two atoms sharing electrons
is known as a savings bond
is known as a covalent bond
is known as an ionic bond
is known as a hydrogen bond
4
Which of the following pH values corresponds to the STRONGEST acid?
pH = 1
pH = 5
pH = 3
pH = 7
5
The atomic weight tells you
The sum of the protons and electrons
The sum of the protons, neutrons, and electrons
The sum of the protons and neutrons
The sum of the neutrons and electrons
6
Which is true of positively charged ions?
They lost protons
They gained protons
They lost electrons
They gained electrons
7
The charge of the NUCLEUS is:
Neutral
Positive
Negative
None of the Above
8
Ice floats in liquid water because
ice is more dense than water
ice is a good swimmer
ice is twice as nice as mice
ice is less dense than water
9
The attraction of water to a glass or plastic surface is an example of
sticky water syndrome
surface tension
adhesion
cohesion
10
How many electrons fit in the FIRST energy level?
10
18
8
2
11
Which of the following could be a pH of acid rain?
14
7
10.5
5.4
12
What is the charge of a neutron?
Neutral
Negative
Positive
None of the Above
13
Which of the following pH values corresponds to the STRONGEST base?
pH = 13
pH = 7
pH = 11
pH = 9
14
The pH scale ranges from:
0-7
7-14
0-100
0-14
15
A chemical bond:
All of the above
Requires the movement of electrons
Links atoms together
Is used to build molecules
16
In a neutral atom,
there are more protons than electrons
the number of protons and electrons are equal
the number of neutrons and electrons are equal
the number of protons and neutrons are equal
17
Weak interactions between neighboring water molecules is known as
hydrogen bonding
ionic bonding
sibling bonding
covalent bonding
18
Which is true of negatively charged ions?
They gained electrons
They lost protons
They gained protons
They lost electrons
19
The pH of a neutral substance is
0-7
0-14
7-14
Exactly 7
20
Where are neutrons located in the atom?
In the nucleus
In electron shells
Outside the nucleus
Paired with electrons
21
The pH range of bases can best be described as
Exactly 7
Greater than 7
Less than 7
0-14
22
What is the charge of a proton?
Neutral
None of the Above
Negative
Positive
23
Where are protons located in an atom?
In the covalent bonds
In the nucleus
Surrounding the nucleus
In electron shells
24
How many electrons fit in the SECOND and THIRD electron shells?
18
2
10
8
25
What is the charge of an electron?
Neutral
Negative
None of the Above
Positive
26
A bond that involves two atoms gaining or losing electrons
is called a James Bond
is called an ionic bond
is called a covalent bond
is called a hydrogen bond
27
The atomic number always tells you
None of the above
How many electrons are present
How many protons are present
How many neutrons are present
28
The pH range of acids can best be described as
0-14
7 exactly
Less than 7
Greater than 7
29
True or False: All acids are harmful to our bodies
True
False
30
The attraction of molecules of the same type is known as
cohesion
surface tension
adhesion
density
31
An atom that gains or loses an electron is called a(n)
ion
bond
electroid
valence
32
What property of water allows a paper clip to float?
Adhesion
Surface Tension
Density
Temperature Moderation
33
Alcohol evaporates faster than water because:
Alcohol is hotter than water
Alcohol is colder than water
Water has a lower heat capacity
Water has a higher heat capacity

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