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WorksheetsAtoms Review
Total questions: 21
Worksheet time: 11mins
How many electrons are allowed in the inner orbital?
4
2
1
There can be any number
What is the AMU of an electron?
1 amu
2/1569 amu
1/1800 amu
1/1840
What does the atomic number in an element stand for?
The number of protons/electrons
The number of neutrons
The number of electrons in the inner orbital
The AMU of the element
What are valence electrons?
The electrons in the inner orbital
All of the electrons
The electrons in the outer orbital
THERE ARE NO SUCH THINGS
What type of charge does a proton have?
Negative
Neutral
A SUPER CHARGE
Positive
What type of charge does an electron have?
Negative
Positive
Neutral
An electrical charge
What type of charge does a neutron have?
Neutral
A bull charging
Positive
Negative
What is a family/group?
A row on the periodic table
A group of humans in a household
A column on the periodic table
every other element
What is a period?
A column on the periodic table
One single element
A punctuation mark
A row on the periodic table
What is water made out of?
Two oxygen particles, one hydrogen particle
Two helium particles, two hydrogen particles
Two hydrogen particles, one oxygen particle
Two hydrogen particles, two oxygen particles
What is the nucleus
A subparticle of an atom
The middle of an atom
The path that electrons take around the protons and neutrons
The path that neutrons take around the protons and electrons
What is the orbital
The path that electrons take around the protons and neutrons
The path that protons take around the electrons and neutrons
The path that neutrons take around the protons and electrons
The middle of an atom
Who created the periodic table?
Dmitri Young
Dmitri Mendeleev
Daniil Medvedev
Dmitri Shostakovitch
What are the two rules of assigning a symbol to an atom/element?
The first letter must always be lowercase
The first letter must always be uppercase
The second letter must always be uppercase
The second letter must always be lowercase
What type of molecule is water?
A polar molecule
A protein
An Acid
A carbon based
who were the two big influencers (that we've learned of so far) of the periodic table?
Dmitri Mendeleev
John Dalton
Alexandre-Emile Béguyer de Chancourtois
Julius Lothar Meyer
What is a compound?
When two or more elements are chemically bonded
When two elements are chemically bonded
When three or more elements are chemically bonded
What is the octet rule?
States that every atom should have at 8 electrons in all orbitals
States that every atom should have 8 valence electrons in the outermost orbital
States that every atom should have 8 protons
States that every atom should have 8 neutrons
What is a covalent bond?
When two elements share a proton
When two elements share an electron
When two elements share a neutron
When two elements share a pair of electrons
What is a chemical bond
When two or more elements chemically mix together
When atoms come together and share a pair of electrons
When elements touch physically
What is a mixture?
when two or more substances chemically come together and are hard to separate. Properties of both substances change completely
A type of breakfast (oatmeal)
When two or more substances combine and mix together, but their physical properties stay the same
