stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Properties of Matter Flashcards | StudBud
Explore
/
Properties of Matter
In general, metals are ___
Which type of atoms are found in metallic bonds?
Properties of Matter
56 terms
·
StudBud Administration
·
85 plays
review for fca 3
Flashcards
56 cards
F
Practice quiz
P
Host live
L
Questions
56
Answers
1
Which type of atoms are found in metallic bonds?
salt atoms
metal atoms
nonmetal atoms
valence atoms
2
In general, metals are ___
poor conductors of electricity
brittle
poor conductors of heat
good conductors of heat and electricity
3
The nucleus of atoms consists of ___
neutrons
electrons
protons, neutrons, and electrons
protons and neutrons
4
two or more elements combined
matter
element
substance
compound
5
What will atom A do to become more stable?
bond with gold
implode
gain an electron
lose an electron
6
How do the different coloring of cats produce more offspring in their environments?
colors help them survive to reproductive age
colors help show other animals how dangerous they are
colors help their potential mates understand their genetics
colors help create more dominant traits n future generations
7
Why do the noble gases NOT form compounds readily?
they have empty outer energy levels
they have seven electrons in the outer energy levels
their outer energy levels have 8 valence electrons
they have no electrons
8
If 2 atoms have the same # of protons but different #'s of neutrons, they will have the same __
half-life
mass number
degree of stability
atomic number
9
tastes sour
neutral
acid
base
10
The energy levels of an atom are occupied by ___.
neutrons
ions
protons
electrons
11
all atoms the same
element
substance
matter
compound
12
What atoms do the diagrams represent?
K - gold and F - fools gold
K - calcium and F - iron
K - potassium and F - flourine
K - keratin and F - flourine
13
Milk of magnesia has a pH of 10.5, which makes it a ___
base
indicator
neutral solution
acid
14
Which of the following categories of elements represents almost 3/4 of the periodic table
metals
gases
metalloids
nonmetals
15
Which is the most neutral?
blood (pH = 7.4)
ammonia (pH = 11.9)
soap (pH = 9.5)
milk (pH = 6.4)
16
A substance formed from the chemical reaction of two or more elements is known as a
compound
metalloid
solution
colloid
17
Attractive forces between particles in sample are strong and pull the particles close together
surface tension
viscosity
the liquid state of matter
the solid state of matter
18
A certain atom has 26 protons, 26 electrons, and 30 neutrons. It's mass number is ___.
30
26
56
52
19
Which term best describes a substance whose molecules travel quickly and are far apart?
gas
plasma
solid
liquid
20
How were scientists able to improve our understanding of the basic building blocks of matter
humans using more brain and better at drawing conclusions
electron microscopes allows us to view all atomic particles
advances in science tech and math led to new understanding
more chemistry and physics majors graduating from college
21
has mass, takes up space
element
matter
substance
compound
22
Atoms that gain electrons become ions with a ___ charge.
positive
equal
like
negative
23
Which group of elements does not chemically combine with other elements?
group 1
group 18
group 16
group 3
24
How many protons are in an atom of gold?
276
118
79
197
25
All ___ except mercury are solids at room temperature.
metals
nonmetals
mixtures
metalloids
26
What was important about each new idea in thinking about what atoms of matter are like?
each new idea had nothing in common with the previous idea
each new idea led to making of new products for the people
each idea shows that scientists hadn't read each others work
each new idea used parts of the earlier models of the atom
27
solution with a pH of 3
acid
neutral
base
28
How many electrons needed in outer energy levels of most atoms for it to be chemically stable?
8
6
2
4
29
In an atom, electrons ___
are paired with neutrons
are always in the same place in an atom
travel outside the nucleus
are located in the nucleus
30
What will the B atom do to become stable?
implode
bond with calcium
lose an electron
gain an electron
31
Acids react with ___ to form neutral solutions.
indicators
solutes
bases
hydronium ions
32
A neutral solution has a pH of ___
2
0
14
7
33
Most of the mass of an atom is found in its ___
atomic number
mass number
nucleus
electron cloud
34
What did the gaps in Mendeleev's period table represent?
elements not yet made
erroneous shape of the table
measurement errors of the element's mass
elements not yet discovered
35
A single proton has which electrical charge?
no charge
negative charge
positive charge
either a positive or a negative charge
36
Which diagram represents a mixture?
C
D
B
A
37
How many dots are shown in the electron dot diagram (Lewis structure) for calcium?
twenty
two
one
eight
38
The maximum number of electrons in the second energy level of an atom is ___
eight
ten
four
two
39
An ion is an atom that has gained or lost ___
metals
neutrons
protons
electrons
40
Describe what happens to water molecules when they change from a liquid to a gas.
the molecules undergo a chemical change
the molecules undergo an electrical change
the molecules move more freely and move farther apart
the molecules move more freely and move closer together
41
Elements found on the right of the periodic table in group 18 are known as __ and are stable
metals
metalloids
noble gases
nonmetals
42
The majority of the human body is made of which type of element?
metal
metalloid
synthetic
nonmetal
43
What is the most common classification of the elements on the periodic table?
metals
metalloids
gases
nonmetals
44
Which particles have almost the same mass?
electron and neutron
proton and electron
all three particles
proton and neutron
45
When 2+ substances are combined so each substance can be separated by physical means
compound
mixture
chemical change
element
46
In general, nonmetals are ___
gases at room temperature
malleable and ductile
good conductors of heat
good conductors of electricity
47
Why were Galileo's ideas so important to the advancement of science?
His new ideas led to future research that expanded ideas.
He was the first to make telescopes to view the night sky.
He became respected among his peers.
He fought for what he believed against the church rulers.
48
tastes bitter
base
acid
neutral
49
Which is the most acidic?
ammonia (pH 11.9)
water (pH = 7.0)
lemon juice (pH = 2.4)
milk (pH = 6.4)
50
Which of the following compounds is NOT likely to have ionic bonds?
NaCl
MgF2
LiF
CH4
51
What aspect of scientific process does modifying textbooks to show new discoveries illustrate?
new discoveries expand and improve existing theories
scientists sometimes arrive at same theories independently
a theory becomes a law if it is backed up by evidence
new discoveries sometimes discredit scientific theories
52
composition definite
matter
compound
element
substance
53
Which subatomic particles are primarily responsible for giving an atom it's mass?
electrons and neutrons
protons and neutrons
electrons only
neutrinos only
54
Lewis structures, or electron dot diagrams, are used to represent ___.
atomic mass
the structure of the nucleus
valence electrons
protons
55
Which two particles would be attracted to each other?
protons and neutrons
electrons and protons
electrons and neutrons
all particles are attracted to each other
56
solution with a pH above 7
neutral
acid
base
