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