What is the Octet Rule?

when Atoms try to stabilize elements with 8 valence electrons

What is an atomic number of an atom?

The number of Protons that also determines the element

positively charged particle of an atom

Bonding is determined by?

the placement of electrons in the shells of the atoms

Atoms with the same atomic number but different atomic masses

How do you find the atomic mass of an atom?

Adding the number of protons and neutrons

A subatomic particle that is neutrally charged

What are radioactive isotopes (radioisotopes, radionuclides)?

Isotopes with an unstable nucleus that decays to form other isotopes

A molecule that contains 2 or more different elements

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Inorganic Chemistry

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Questions 32

Answers

1
What are molecules?
Two or more atoms held by chemical bonds
1 or more atoms held together by (Cl) Bonds
elements that share the same charge
Biodegradable elements
2
What is an Ion?
An atom with unequal amount of protons and electrons
An atom with cells
An atom with equal amounts of electrons and protons
An atom with equal amounts of protons and neutrons
3
How many Valence electrons does Chlorine (Cl) have?
3
7
1
4
4
What charge do anions have?
Positive
Negative
Floatie
Neutral
5
What Charge do Cations have?
Neutral
Positive
Negative
Electric
6
What can decay and emit radiation that can be detected?
Glitter
Radioactive isotopes
Non-Radioactive Isotopes
Chemistry
7
What is the Octet Rule?
when Atoms try to stabilize elements with 3 valence electrons
when Atoms try to stabilize elements with 8 valence electrons
when Atoms try to stabilize elements with 2 valence electrons
when Atoms try to stabilize elements with 4 valence electrons
8
What is an atomic number of an atom?
Isotopes
The atomic mass
The number of Protons that also determines the element
The number of electrons that determines the element
9
Only electrons in the outer shell also known as (valence electrons) can form bonds
False
True
10
What 2 Elements only have one shell?
Helium (He) and Silver (Ag)
Hydrogen (H) and Magnesium (Mg)
Hydrogen (H) and Silver (Ag)
Helium(He) and Hydrogen (H)
11
Are hydrogen (H) and helium (He) stabilized with two valence electrons?
False
True
12
What subatomic particles are found orbiting the nucleus in different energy levels (shells)
Electrons
Neurons
Protons
Atoms
13
What is a proton?
Negatively charged particle of an atom
I don't know
positively charged particle of an atom
neutral charged particle of an atom
14
For most elements, how many electrons can the inner shell hold?
4
1
2
3
15
For most elements, the shells are filled from _ to _ with a max of _ electrons.
inside, outside, 4
outside, inside, 2
inside, outside, 8
outside, inside, 8
16
Bonding is determined by?
the placement of electrons in the nucleus
the placement of electrons in the shells of the atoms
the placement of protons in the shells of the atom
the placement of protons in the nucleus of the atoms.
17
What is an Isotope?
Atoms with a different atomic number but same atomic masses
The atomic number
Atoms with the same atomic number but different atomic masses
The amount of elements on a periodic table
18
What atoms are found in the nucleus?
Protons & Electrons
Phosphorus & Electrons
Neutrons & Electrons
Protons & Neutrons
19
What are atoms made up of?
subatomic particles
sushi and Bologna
Particles and Gas
submarine particles
20
What is a proton's atomic mass and charge?
Atomic Mass: 1 Charge: +2
Atomic Mass: 2 Charge: +4
Atomic Mass: 1 Charge: +1
Atomic Mass: 3 Charge: -2
21
How do you find the atomic mass of an atom?
I ran out of time
Adding the number of protons and neutrons
Atoms with the same atomic number but different atomic masses
Counting the number of Nucleus' in an atom
22
What shell is filled first?
Middle
second
Inner
Outer
23
what is a neutrons mass and charge?
Atomic Mass: 1 Charge: 2
Atomic Mass: 1 Charge: 0
Atomic Mass: 3 Charge: 0
Atomic Mass: -1 Charge: 0
24
What is a neutron?
A subatomic particle that is neutrally charged
A negatively charged atom
A nucleus
A positively charged particle of an atom
25
What are radioactive isotopes (radioisotopes, radionuclides)?
Isotopes with a stable nucleus that decays to form other isotopes
explosives
isotopes that self destruct
Isotopes with an unstable nucleus that decays to form other isotopes
26
Anions have...
More neutrons than protons
Fewer electrons than protons
More electrons than protons
More Protons than electrons
27
How many valence electrons does sodium (NA) have?
2
4
3
1
28
What is a compund?
two or more atoms held together by chemical bonds
Molecules that share the same elements
A molecule that contains 2 or more different elements
a molecule that has 10 or more elements
29
How many isotopes do most elements have?
11 & 12
7 or 8
1 & 4
2 or 3
30
How many atoms besides (H) & (He) have more than one shell?
Three
All
None
Two
31
Cation's have...
Fewer electrons than nuetrons
Fewer electrons than protons
More electrons than protons
More electrons electrons than nuetrons
32
What is an electron's Atomic Mass and Charge?
Atomic Mass: 0 Charge: -1
Atomic Mass: 1 Charge: 0
Atomic Mass: 2 Charge: 1
Atomic Mass: 4 Charge: 2

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