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Atoms and Periodic Table
Atoms and Periodic Table
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1
Use your periodic table to determine what element this atomic model represents.
chromium
oxygen
Sulfer
beryllium
2
Fluorine, chlorine, bromine, and iodine are what family?
alkali metals
noble gases
metalloids
halogens
3
Which of the following elements has characteristics of both metals and nonmetals?
sulfur
calcium
zinc
antimony
4
The mass number of an element represents which of the following?
the number of protons
the sum of the protons and the electrons
the sum of protons and neutrons
the number of neutrons
5
What does ductile mean?
it can be pulled or drawn into a long thin wire
it can transfer heat or electricity to another material
it can be hammered into flat sheets
it is a mixture of a metal
6
Which describes elements in family 16 on the periodic table?
they have six valence electrons
they exist as cations
They are gases at room temperature
combine easily with elements in family 17
7
Which pair of elements are the most similar?
Ca and F
Li and H
Na and Cl
Ne and Ar
8
What sort of substance can be found around the zig zag line on the periodic table?
metalloid
nonmetals
metals
noble gases
9
What name is given to the elements in Groups 3-12?
halogens
Alkali Metals
noble gases
Transition Metals
10
On the periodic table, nitrogen is represented by N. N is a chemical
equation
period
group( family)
symbol
11
You discover a new element and it is malleable, shiny, and conducts electricity . What is it?
an acid
a metal
a metalloid
a nonmetal
12
Which describes what an atom is?
protons and electrons grouped in alternating patterns
protons and electrons grouped together in a random pattern
a core of electrons and neutrons surrounded by protons
a core of protons and neutrons surrounded by electrons
13
Elements that do not form compounds are
elements in the carbon family
halogens
noble gases
metals
14
Which letter in the model of this boron atom represents the nucleus?
x
z
w
y
15
To what group do the elements sulfur, nitrogen, phosphorus, and bromine all belong?
metalloids
nonmetals
metals
gases
16
Which letter in the model of this boron atom represents a neutron ?
z
w
x
y
17
What name is given to the electrons that are involved in bonding?
valence electrons
inside the nucleus
positively charged
closest to the nucleus
18
The chemical reactivity of metals tends to ___?___ from left to right across the periodic table
decrease
increase
stay the same
double
19
All three of the objects shown are what?
rust rapidly
weigh the same
metals
they are the same color
20
Most metals are in what state at room temperature?
plasmas
liquids
solids
gases
21
Which of the following is found farthest from the center of the atom?
electrons
proton
nucleus
neutron
22
which of the following is not a characteristic of nometals
good conductors
can be a gas
brittle
dull
23
Which letter in the model of this boron atom represents a proton?
x
z
y
w
24
The atomic number of an element represents which of the following?
the sum of the protons and electrons
the sum of the protons and neutrons
The number of neutrons
the number of protons
25
How many neutrons does a neutral atom of bromine have in its nucleus?
79.904
44
45
80
26
If a metal reacts violently with water it is in what family?
Alkali Metals
halogens
transition metals
noble gases
27
Which of the following describes transition metals?
they are soft and can be cut
include familiar metals like gold and copper
they are the most reactive
they are found uncombined in nature
