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