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Biology Periodic Table Basics Flashcards | StudBud
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Biology Periodic Table Basics
Biology Periodic Table Basics
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Basics of the periodic table
Flashcards
22 cards
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Questions
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Answers
1
Why are the elements in Group 8 called Noble gases?
they have 8 electrons in their outermost energy level
because they're royalty, dude
they were named after chemist Alfred Noble
they are among the oldest elements known to man
2
How are the elements in the periodic table categorized?
in order of discovery
metals, transition metals, nonmetals
as solids, liquids, gases
by order of importance
3
What is a polyatomic ion?
a unit of multiple atoms with a single charge
ions of atoms with different charges
many multiple ions moving together
two or more ions in the same place
4
How many valence electrons are in Carbon?
12
10
4
6
5
When writing the formula for a compound involving two elements, which element goes first?
it depends on the elements
the positively charged one
either one is cool
the negatively charged one
6
Ions become attracted to each other because....???
they have similar charges
they think they're cute
they have opposite charges
they have no charges
7
How many electrons does an element in Group 7 gain and what is its final charge?
gain 3 electrons, become -3
gain 4 electrons, become -4
gain one electron, become -1
gain two electrons, become -2
8
What is the atomic number of the element below?
16
8
(6)
16.00
9
What is the chemical formula for magnesium hydroxide?
Mg(OH)2
MgOH
Mg2OH
MgOH2
10
When electrons are shared between two atoms what type of bond do they form?
Ionic Bond
Covalent Bond
Hydrogen bond
chemical bond
11
What do the groups/families (vertical columns) in the periodic table tell you about elements?
the number of electrons in the outer energy level
the number of protons in the nucleus
Not much, it's just numbering
the number of neutrons in the nucleus
12
What do the periods (horizontal rows) in the periodic table tell you about elements?
nothing, it's just numbering
how many neutrons the elements have
how many energy levels the element has
how many electrons the elements have
13
A neutral atom becomes positive when it ....?
loses an electron
gains a proton
loses a proton
gains an electron
14
What is the chemical formula for hydrogen and oxygen?
HO
HO2
H2O
OH2
15
What does the atomic number of silver represent?
the number of atoms
the number of protons
the number of electrons
its order of importance
16
How many electrons does an element in Group 5 gain and what its final charge?
gains 3 electrons, becomes -3
gains one electron, becomes -1
gains 4 electrons, becomes -4
gains 2 electrons, becomes -2
17
How many neutrons are in sulfur?
16
32
6
15
18
How many Sodium are in 6 molecules of NaCl?
12
6
1
2
19
What is the chemical formula for zinc and chlorine?
Zn2Cl3
Zn2Cl
ZnCl
ZnCl2
20
The sum of the charges of elements in a compound must be....????
any number is OK
zero
positive
negative
21
How many electrons does an element in Group 6 gain and what is its final charge?
gain 3 electrons, become -3
gain one electron, become -1
gain 4 electrons, become -4
gain 2 electrons, become -2
22
How many electrons does an atom need in its outermost energy level to become stable?
2
4
6
8
