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The Periodic Table-PS Flashcards | StudBud
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The Periodic Table-PS
The atomic number tells us the number of
Positive ions are called
The Periodic Table-PS
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1
Positive ions are called
ionic radius
anion
cation
2
The atomic number tells us the number of
protons and neutrons
neutrons
protons
valence electrons
3
What is in the nucleus?
electrons only
neutrons only
protons and neutrons
protons only
4
The columns (up/down) on the periodic table are called
isotopes
elements
a group
a period
5
Helium, neon, and krypton are
transition metals
noble gases
halogens
alkaline earth metals
6
The elements on the periodic table are organized by
number of protons
atomic mass
charge of the nucleus
number of neutrons
7
Atoms that gain or lose electrons are called
non-metals
isotopes
ions
metals
8
What do the holes in the periodic table represent?
elements that are too light to stay on earth
undiscovered elements
man made elements
elements that have latin names
9
How many valence electrons does nitrogen have?
3
5
0
10
Elements that are in the same group have the same number of
neutrons
protons
protons and neutrons
valence electrons
11
Where are the non-metals on the periodic table?
to the left of the staircase
to the right of the staircase
the bottom two rows
on the staircase
12
Lithium has
3 protons and neutrons
3 protons in the nucleus
3 electrons in the nucleus
3 neutrons in the nucleus
13
Elements that share properties of both metals and non-metals are
valences
metalloids
ions
periods
14
What is not a group on the periodic table?
halogens
noble gas
anion
alkaline earth metals
15
How was Mendeleev's periodic table arranged?
by increasing atomic number
by increasing atomic mass
by decreasing atomic number
by increasing atomic number
16
What is Mendeleev known for?
publishing the first periodic table
discovering Mendeleevium
discovering protons
his atomic model
17
Which of the following elements is an alkali metal?
mercury
calcium
magnesium
sodium
18
Most elements on the left side of the staircase are
metalloids
metals
all made in particle accelerators
nonmetals
19
Which element is a metalloid?
iodine
carbon
silicon
aluminum
20
Metals tend to be
gases
dull
brittle
good conductors of heat
