What are atoms made up of?

Protons, neutrons and electrons

What is mass number or atomic mass?

The number of proton and neutron in the nucleus of an atom

Is the smallest unit that can divide keeping its properties

What is an ionic bond?

A chemical bond that occurs between a metal and a nonmetal

What is a heterogeneous mixture?

Any mixture that is not uniform in composition

What is the atomic number?

The number of protons in the nucleus of an atom

What is a homogeneous mixture?

Has uniform composition and properties throughout

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Chemistry

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The Earth Science Review

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Questions 24

Answers

1
What are atoms made up of?
Atomic symbol, nucleus protons
Protons, neutrons and electrons
Isotopes, molecules, and the periodic table
Protons and nucleus
2
Which of these phrases is related to covalent bonds?
Share electrons
Electrical atraction
Gains electrons
Loses electrons
3
What type of charge contains an electron?
Negative
Electrical
Positive
Neutral
4
A(n)_____ always contains more neutrons than protons
Element
Isotope
Ion
Cation
5
What is the mass number of the element Selenium?
78.96
9,000,000,000,000 WHAT!!?!!?
34
6
Where is the nucleus of an atom?
The center
Outside
Inside
Anywhere
7
What is everything made of?
Atoms
Matter
Protons
Nothing
8
What was included in the original Pepsi-Cola recipe?
Digestive enzyme
Coke from coal
Saltpeter
Heroin
9
What is mass number or atomic mass?
The number of proton and electron in the nucleus of an atom
The number of atoms in the nucleus of an atom
The number of neutron and electron in the nucleus of an atom
The number of proton and neutron in the nucleus of an atom
10
What is the maximum depth of permafrost?
150 meters
1,5 meters
1500 meters
9,999,999,999,999,999 meters. WHAT!!!?!!
11
Why is White Sands Desert in New Mexico so purely white?
Bruh, how am I suppose to know that?
Because it is gypsum
Because it is iswhite quartz
Because it is an optical illusion
12
What are cations and anions?
Ions
Elements
Atoms
Molecules
13
How many hydrogen isotopes occur naturally on the Earth?
1,000,000
1
2
3
14
What are the three most abundant elements in the Earth crust?
Silicon, Carbon and Hydrogen
Oxygen, Silicon and Hydrongen
Oxygen, Silicon and Aluminium
I don't know. Ask Mr.Crawford
15
What is an atom?
Protons
A group of atoms bonded together.
The substance that is composed of only one type of atom
Is the smallest unit that can divide keeping its properties
16
Who was the one who found out the Theory of Relativity?
Galileo Galile
Albert Einstein
Danny Charles Crawford
Isaac Newton
17
What is the most common element (by mass) forming the planet Earth?
Silicon
Carbon
Mr.Crawford
Iron
18
Which has more calories: table sugar or aspartame?
Table sugar has more calories
Pretty much the same
Aspartame has more calories
Any of them has calories
19
What is the atomic number of the element Arsenic(As)?
33
45
18
8
20
What is an ionic bond?
A chemical bond that occurs between a metal and a nonmetal
A negatively charged ion
A chemical substance
Force or glue which stick element together to make compound
21
What is an electrically charged atom, formed when atoms lose or gain electrons?
Cation
Anion
Ion
Protons
22
What is a heterogeneous mixture?
Any mixture that is not uniform in composition
Has the same uniform appearance and composition throughout
23
What is the atomic number?
The number of electrons in the nucleus of an atom
The number of neutrons in the nucleus of an atom
The number of ions in the nucleus of an atom
The number of protons in the nucleus of an atom
24
What is a homogeneous mixture?
Any mixture that is not uniform in composition
Has uniform composition and properties throughout

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