Matter
Misc.
Atomic Structure
Nomenclature
Chemical Bonding
100
This is a type of change that forms new product(s) with properties that differ from the original reactants.
What is a chemical change?
100
Solve this conversion: 12.09 s ---> ms
What is: 12.09s x 1000ms/ 1s = 12090 ms
100
This is the relative mass of an electron when calculating the total mass of an atom. (include the unit in your answer)
What is zero amu?
100
Name this compound: CF4
What is carbon tetrafluoride?
100
Draw the lewis dot structure of H2S
What is .. H-S-H ..
200
In the classification of matter, these two kinds of matter are considered pure substances.
What are elements and compounds?
200
According to the Aufbau principle, this answer will get filled with electrons first
What is the lowest energy level?
200
This number is the total charge of 3 neutrons.
What is 0?
200
From the chemical formula, this is how you can tell automatically that you are looking at an ionic compound
What is it contains a metal ion and a nonmetal ion
200
What is the geometric shape of H2O?
What is bent?
300
This kind of matter can be separated by PHYSICAL means.
What is a mixture?
300
A horizontal row in the periodic table is called this.
What is a period?
300
This is a description or picture of the Bohr Diagram of Hydrogen
What is a nucleus with one proton and neutron surrounded by an electron cloud with one electron
300
How many atoms are in this compound? Mg3(PO4)2
What is 3 Mg 2 P 8 O =13
300
Describe the change in energy in the formation of a compound.
What is high energy reactants bond to form a low energy product.
400
The process of a gas turning to a liquid.
What is condensation?
400
Which of the following elements is NOT a metal? He K Na Cu
Helium
400
These are atoms of the same element that have different masses.
What are isotopes?
400
What is the name of the following compound: CuO
What is Copper (II) Oxide
400
What is the rule followed by atoms to fill their valence/ outermost energy level
What is the octet rule?
500
The smallest unit of an element that maintains the properties of that element.
What is an atom?
500
According to this elements electron configuration, how many valence electrons does it have? 1s2 2s2 2p6 3s2 3p6 4s2 3d4
2 1s2 2s2 2p6 3s2 3p6 3d4 4s2
500
How many protons, electrons, and neutrons are in an atom of chlorine-37?
What is: Atomic number = # of protons = # of electrons Mass number (given) = # of neutrons + protons Mass #- Atomic Number = Neutrons 37- 17= 20 Neutrons 17 Protons 17 Electrons
500
How is naming covalent compounds different from naming ionic compounds?
Covalent compounds use prefixes.
500
Describe the electron arrangement in a metallic bond
What is the "sea" of electrons, free floating between metal cations.
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