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Periodic Table
What is the atomic number of Potassium (K)?
What is a Monatomic element?
Periodic Table
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Periodic table
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1
What is a Monatomic element?
the element consists of a single atom
it has three (3) or more atoms
it has two (2) atoms
2
What is the atomic number of Potassium (K)?
19
21
17
3
What is the atomic number of Krypton (Kr)?
45
36
27
4
what is the Atomic Mass for Oxygen (O)?
18.090 amu
15.999 amu
12.045 amu
5
What is an Element in chemistry?
A substance that is made of only one kind of atom
a member of a team
a planet in the solar system
6
What is Atomic Mass?
is the mass of a neutron
is the mass of a proton
is the mass of the atom
7
What is the symbol for Atomic Number?
R
Z
A
8
What is the atomic mass for Platinum (Pt)?
187.65 amu
201.45 amu
195.08 amu
9
What is the atomic number of Mercury (Hg)?
80
91
75
10
What is the Atomic Mass for Nickel (Ni)?
65.943 amu
45.973 amu
58.693 amu
11
What is an Isotope?
same element with atoms having different number of neutrons
similar mountain tops
a kind of animal group
12
What is a Diatomic element?
the element consists of two (2) atoms of the same kind
it has three (3) or more atoms
it has only one (1) atom
13
How many Periods does the PT have?
7
18
10
14
How many Groups does the PT have?
18
10
12
15
What is a Nonmetal element?
Calcium (Ca)
Chromium (Cr)
Argon (Ar)
16
What is the atomic number of Barium (Ba)?
56
51
63
17
What is a Metal element?
Titanium (Ti)
Nitrogen (N)
Helium (He)
18
What is the atomic number of Osmium (Os)?
68
80
76
19
What is a Neutral Atom?
an atom that has more electrons
an atom that have the same number of protons and electrons
an atom that has less electrons
20
What do the letters "amu" stand for in chemistry?
awesome muffins united
atomic mass unit
automatic mechanic unit
21
What is the definition of Mass Number?
total number of electrons and neutrons
total number of electrons and protons
total number of protons and neutrons
22
What is the Atomic Mass for Osmium (Os)?
190.2 amu
180.76 amu
200.15 amu
23
What is the definition of Atomic Number?
the number of neutrons
the number of electrons
the number of protons
24
what is a Polyatomic element?
it consists of three (3) or more atoms of the same kind
it has two (2) atoms
it has only one (1) atom
25
What is a Period on the periodic table?
is a group of atoms with the same number of electrons
the columns in the periodic table
horizontal rows. Elements don't have the same chem property
26
What is the atomic mass for Iron (Fe)?
63.932 amu
55.847 amu
45.764 amu
27
What is a Group on the periodic table?
the horizontal rows in the periodic table
a group of atoms with the same number of electrons
numbered column of elements with similar chemical properties
28
Where on the Periodic Table are Nonmetals located?
to the left on the periodic table
to the right on the periodic table
they are not located on the periodic table
29
Where in the Periodic Table are Metals located?
to the right on the Periodic teble
to the left on the Periodic Table
Metal elements are not located on the Periodic Table
30
Define Chemical Symbol:
A symbol that show the properties of an element
The number of protons and electrons
A one- or two-letter symbol that represents an element
31
What is the Periodic Table?
Is a wooden table
A table that shows the names and symbols of the elements
Is a round table
