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Ch 3 (8) Periodic Table Flashcards | StudBud
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Ch 3 (8) Periodic Table
Electrons have...
Group 2 metals are called
Ch 3 (8) Periodic Table
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1
Group 2 metals are called
alkali metals
metalloids
transition metals
alkaline earth metals
2
Electrons have...
a negative charge
a neutral charge
a positive charge
both positive and negative charges
3
What is the atomic mass of Magnesium?
13
25
24
12
4
In general, which of the following statements about metals is true?
metals are malleable, ductile, and are good conductors of heat/electricity
metals do not react with oxygen
metals need to be stored in a container
metals are not reactive
5
Elements in groups 3-12
alkaline earth metals
transition metals
noble gases
halogens
6
Group 17 elements
transition metals
noble gases
halogens
metalloids
7
The chemical reactivity of metals tend to do what from left to right across the periodic table?
stay the same
decrease
split in half
increase
8
If a material can be hammered or rolled into flat sheets, it is
magnetic
ductile
malleable
reactive
9
Which parts of the atom move around the outside of the nucleus in "a cloud"?
neutrons
protons
atomic numbers
electrons
10
Group 18 elements...
have properties of metals and nonmetals
form compounds
are highly reactive
do not form compounds
11
Neutrons have...
a neutral charge
both positive and negative charges
a positive charge
a negative charge
12
The positively charged particle in the nucleus of an atom is called
mass
electron
proton
neutron
13
Which element is represented by the Bohr's model below?
oxygen
hydrogen
nitrogen
sulfur
14
Columns of the periodic table are called
groups/families
periods
rows
none of the above
15
How many neutrons are in one atom of Lithium?
7
3
6
4
16
Which elements have some properties of metals and some of non metals?
noble gases
metalloids
transition metals
earth metals
17
All elements are made of basic particles called
molecules
atoms
energy
compounds
18
From an element's location on the periodic table, you can predict
its properties
when it was discovered
its chemical symbol
its chemical name
19
How many protons are in one atom of Lithium?
3
6
10
7
20
Anything that has mass and takes up space
energy
element
mass
matter
21
The atomic number of an element is based on the
atomic mass
number of electrons
number of protons
number of neutrons
22
How many electrons are in one atom of Magnesium?
24
12
25
13
23
Columns of a periodic table...
elements have the same atomic number
elements have the same atomic mass
elements do not have similar characteristics
elements have similar characteristics
24
The majority of the elements on the periodic table are
nonmetals
metals
metalloids
halogens
25
Group 1 metals are called
halogens
transition metals
alkaline earth metals
alkali metals
26
The elements are organized in order of
element name
element symbol
increasing atomic number
discovery date
27
The most reactive metals are found...
in the middle of the periodic table
In Period 1
In group 2
In group 1
28
Moving across the periodic table, one finds, in order
metalloids, nonmetals, gases, metals
gases, metals, metalloids, nonmetals
metals, gases, nonmetals, metalloids
metals, metalloids, nonmetals, gases
29
The average mass of all the isotopes of an element is called
the nucleus
the element name
atomic number
atomic mass
30
The number of protons equal the number of...
electrons
neutrons
none of the above
isotopes
31
What is the atomic number of Lithium?
4
6
7
3
