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Atoms and the Periodic Table
Atoms and the Periodic Table
40 terms
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Atomic structure, organization of the periodic table
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
What is the charge of a neutron?
negative
positive
neutral
2
What is the chemical symbol of boron?
10
5
B
A
3
How many protons are in one calcium atom?
40
20
1
2
4
The elements to the left side of the periodic table are known as the
non-metals
metalloids
metals
5
The majority of the mass of the atom is in the
neutrons
nucleus
electron cloud
protons
6
What is the charge on a proton?
positive
neutral
negative
7
What do the elements of group 18 have in common?
They are all purple
They are all metals
They are all in compounds
They are all gases
8
What is the atomic mass of sulfur?
15
32
20
16
9
The formula HCO
3
represents a
a chemical formula
an abbreviation
a secret code
10
What is the overall charge of the NUCLEUS?
positive
neutral
negative
11
Who discovered the electron?
Ernie and Bert
Bubba
John Dalton
J.J Thomson, the muffin man
12
Two subatomic particles are found in the nucleus. One is the neutron; what is the other one?
proton
neutrino
electron
positrino
13
What British school teacher proposed the first atomic theory?
Niels Bohr
Mr. O"Connell
John Dalton
Mary Poppins
14
What is an electron's charge?
negative
positive
neutral
15
In the chemical formula H
2
O, what does the 2 mean?
The number of oxygen atoms in a water molecule
The number of hydrogen atoms in each molecule of water
2 molecules of water
The number of hydrogen and oxygen atoms in a water molecule
16
How many electrons are in one atom of oxygen?
15.99
8
1
16
17
Which element will Lithium have the most in common with?
gold
oxygen
boron
sodium
18
What is the number of protons in one atom of silicon?
1
2
28
14
19
Which element will Neon have the most in common with?
argon
iron
hydrogen
sodium
20
Which group of the periodic table will bond with a noble gas?
Group 17
None of them
Group 1
Group 2
21
What is #3 in the drawing?
electron
electron shell
neutron
22
The number 8 in the picture refers to
The atomic mass of oxygen
The number of valence electrons in the element oxygen
The number of neutrons in the element oxygen
The atomic number of the element oxygen
23
Who named the smallest particle of matter "the atom"?
Aristotle
Donny and Marie
Mrs. Warner
Democritus
24
The element is dull, brittle and non-conductive....what is it?
non-metal
proton
metal
metalloid
25
What does the number 28 refer to?
The atomic mass of the element silicon
The number of neutrons in the element silicon
The atomic number of the element silicon
26
What is the atomic mass of calcium?
10
5
40
20
27
The element phosphorus has a chemical symbol of
Ps
Ps
P
Ph
28
What group of elements is known as the alkali metals?
Group 18
Group 2
Group 17
Group 1
29
Which picture is the most current model of the atom?
2
4
3
1
30
The element potassium has a chemical symbol of
Pt
Po
K
P
31
Who said atoms were a positive sphere with electrons floating about within?
J.J. Thomson
Niels Bohr
Ernest Rutherford
John Dalton
32
The metals are on the ______ side of the periodic table.
right
middle
left
top
33
John Dalton's theory said that all atoms of the same element are
the same
different
combined
34
Who said electrons moved in a fixed shell around the nucleus of the atom?
Niels Bohr
John Dalton
J.J. Thomson
Ernest Rutherford
35
What is #1 in the drawing?
eelctron cloud
neutron
proton
electron
36
What is the atomic mass of magnesium?
2
24.3
12
25
37
What group of elements is known as the Noble Gases?
Group 18
Group 2
Group 17
Group 1
38
What is the atomic number of sodium?
22.99
11
23
39
The element has 13 protons and is a silver, shiny metal. What is it?
aluminum
nitrogen
boron
clorine
40
Which picture is the most current model of the atom?
3
2
1
4
