8th Grade Science: Chapter 1B

18 termsStudBud Administration1,011 plays

Atomic Structure and the Periodic Table

Flashcards18 cardsFPractice quizPHost liveL

Questions 18

Answers

1
The central part of the atom is called the
electron
proton
neutron
nucleus
2
The modern periodic table is organized by
size of the atom
number of neutrons
atomic number
atomic mass
3
Most nonmetals are
shiny in appearance
easy to hammer and shape
poor conductors of heat
liquid at room temperature
4
Atoms on the far left of the periodic table are
metalloids
metals
noble gasses
nonmetals
5
Atoms of an element always have a certain number of
ions
protons
electrons
neutrons
6
The amount of matter in an object is its
mass
volume
density
element
7
Elements in a group have
the same atomic radius
a wide range of chemical properties
similar chemical properties
the same number of protons
8
The largest group of elements on the periodic table are the
noble gasses
nonmetals
metals
metalloids
9
Neutrons
are found in the nucleus of the atom
Have a negative charge
determine the atom's atomic number
weigh the least of all the particles that make up an atom
10
Nitrogen has atomic number 7. An isotope of nitrogen containing 7 neutrons would be
Nitrogen-7
Nitrogen-13
Nitrogen 16
Nitrogen-14
11
The electric charge of a proton is
negative
positive
always changing
neutral
12
These elements do not react with any other element
Alkali Metals
Noble Gasses
Transition Metals
Halogens
13
The two kinds of electric charges are
left and right
up and down
physical and chemical
positive and negative
14
Elements are used to kill bacteria and get their name from the Greek words meaning salt-formers
Alkali Metals
Halogens
Transition Metals
Noble Gasses
15
Electrons
have more mass than other parts of the atom
are used to determine the element's atomic number
move round the outside of the nucleus
have a positive charge
16
These elements are very reactive and found on the far left of the periodic table
Noble Gasses
Halogens
Alkali Metals
Transition Metals
17
The least reactive elements are
alkaline earth metals
alkali metals
halogens
noble gasses
18
A substance made of only one kind of atom is
a molecule
a mixture
an element
a compound

8th Grade Science: Chapter 1B Flashcards | StudBud

8th Grade Science: Chapter 1B

18 termsStudBud Administration1,011 plays

Atomic Structure and the Periodic Table

Flashcards18 cardsFPractice quizPHost liveL

Questions 18

Answers

1
The central part of the atom is called the
electron
proton
neutron
nucleus
2
The modern periodic table is organized by
size of the atom
number of neutrons
atomic number
atomic mass
3
Most nonmetals are
shiny in appearance
easy to hammer and shape
poor conductors of heat
liquid at room temperature
4
Atoms on the far left of the periodic table are
metalloids
metals
noble gasses
nonmetals
5
Atoms of an element always have a certain number of
ions
protons
electrons
neutrons
6
The amount of matter in an object is its
mass
volume
density
element
7
Elements in a group have
the same atomic radius
a wide range of chemical properties
similar chemical properties
the same number of protons
8
The largest group of elements on the periodic table are the
noble gasses
nonmetals
metals
metalloids
9
Neutrons
are found in the nucleus of the atom
Have a negative charge
determine the atom's atomic number
weigh the least of all the particles that make up an atom
10
Nitrogen has atomic number 7. An isotope of nitrogen containing 7 neutrons would be
Nitrogen-7
Nitrogen-13
Nitrogen 16
Nitrogen-14
11
The electric charge of a proton is
negative
positive
always changing
neutral
12
These elements do not react with any other element
Alkali Metals
Noble Gasses
Transition Metals
Halogens
13
The two kinds of electric charges are
left and right
up and down
physical and chemical
positive and negative
14
Elements are used to kill bacteria and get their name from the Greek words meaning salt-formers
Alkali Metals
Halogens
Transition Metals
Noble Gasses
15
Electrons
have more mass than other parts of the atom
are used to determine the element's atomic number
move round the outside of the nucleus
have a positive charge
16
These elements are very reactive and found on the far left of the periodic table
Noble Gasses
Halogens
Alkali Metals
Transition Metals
17
The least reactive elements are
alkaline earth metals
alkali metals
halogens
noble gasses
18
A substance made of only one kind of atom is
a molecule
a mixture
an element
a compound