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Atomic Theory and Periodic Table Flashcards | StudBud
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Atomic Theory and Periodic Table
Atomic Theory and Periodic Table
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1
What did Rutherford use his evidence for?
prove the atom is mostly empty
Prove the atom is mostly full
Prove the atom is mostly black
Prove the atom is completely empty
2
Where are the metals found
The left of the periodic table
On the right
On the zig zag line
3
Which Groups On The Periodic Table Are The Most Reactive
Groups 1 And 17
Groups 7 And 13
Groups 3 and 15
Groups 4 And 12
4
What is a valence electron?
An electron inside the nucleus.
An electron on the innermost ring.
An electron on the outermost ring.
5
The most modern version of atomic theory says that atoms have...
A nucleus made of protons only, with an electron cloud surrounding it
Electrons that orbit a dense nucleus like a planet orbiting the sun
An electron cloud, and a nucleus with protons and neutrons
A nucleus with protons and electrons inside
6
What charge has the proton?
None
Positive
Negative
7
What is a period on the periodic table
determines the number of shells.
Onion
The number of neutrons
number of valence electrons
8
How do you find atomic mass?
The sum of protons and neutrons
The sum protons and electrons
The product neutrons and electrons
The product of protons and neutrons
9
Atomic Number
51.9961
28
24
Cr
10
On a periodic table, in which group would you find oxygen?
2
16
1
18
11
The atomic mass of this element is
Fe
55.845
26
55
12
Are elements with a higher atomic number than 92 natural?
Of course they are
They are kind of natural
No, they are synthesized
Maybe, but how would you know?
13
What group is chlorine in on the Periodic Table?
17
3
13
18
14
An isotope of an element has the same...
...number of electrons and neutrons
...number of protons, neutrons and electrons
...number of protons and neutrons
...number of protons, but different number of neutrons.
15
What are the metalloids?
Nothing
Elements has metallic
Elements have metallic and nonmetallic properties.
has nonmetallic properties.
16
Thomson said atoms have
no way to be cut into smaller parts.
really, really small baby atoms.
the same mass.
negatively charged electrons set in a positive sphere.
17
What does the atomic number do?
Tell the amount of just neutrons
Tell the amount of just protons
Tell the amount of electrons and protons
Tell the amount of just electrons
18
What Did Bohr Base His Findings On?
His Children
Groups of Clownfish
The Colours of The Sunset
The Earth Rotating Around The Sun
19
John Dalton believed that...
Atoms can be seen through microscope
Atoms have positive and negative particles
Atoms can be divided into smaller parts
Atoms are spheres with different masses and sizes
20
Where are the non metals
On the right of the periodic table
On the left
On the zig zag line
21
On the periodic table, in which period would you find Neon?
4
1
2
3
22
What are properties of metals
Brittle, bad conductor
Luster, malleable, ductile, conductors
Properties of metals and non metals
23
A neutron has what charge?
neutral
positive
negative
24
What is the group on the periodic table?
number of shells
Bohr model
number of valence electrons
Atomic mass
25
Electron has a ......... charge
zero
neutral
negative
positive
