Element
metal, non-metal, and metalloid
What is an atom made up of and their respective charges?
Proton, a positive charge, electron, a negative charge, and neutron which is neutral.
Name of compound when Magnesium and Oxygen combine?
Magnesium Oxide
What is the number of electrons in the last shell represent?
The valence, also known as the group of the element.
What is an atom?
Atom is the smallest particle that is the basic building block of all matter.
Name 5 common metal elements.
Iron, copper, aluminum, gold, and silver. (If you mention another metal element, it still counts.)
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What compound forms when nickel, nitrogen, and oxygen combine?
Nickel Nitrate
What is the maximum number of electrons that can fit in the third electron shell?
18 electrons
What does Electron Configuration mean?
The arrangement of electrons in an atom.
What period is Silicon (Si)? (do NOT look at the periodic table!)
If an atom has 17 protons and 18 neutrons, what is its mass number?
35 is the atomic mass. (Just add them)
What is this compound made of: 2NaCl
2 sodium atoms and 2 chlorine atoms.
What is the rule for the outer shell?
The outer shell consists of maximum 8 electrons.
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What group and period is the element magnesium? (WITHOUT LOOKING AT THE PERIODIC TABLE!!!!)
Group 2A, Period 3
What is the center of an atom called, and what does it consist of?
It is called a nucleus and it consists of proton and neutron.
Write the formula for the compound formed of: two hydrogen atoms bonded to one sulphur atom and four oxygen atoms?
H2SO4
Draw the electron of configuration for iron, which the atomic mass is 56 and the atomic number is 26. Draw in the white board!
Correcto Or No? 2, 8, 14, 2
What is a compound?
A compound is the substance produced when two or more elements combine in a chemical reaction.
Which element was first called "inflammable air" and later renamed "water-former"? (Don't think too far?)
Hydrogen
What does the number of protons mean and what does it become when added with the number of neutron.
Describe this molecule: 2Cl8H14O10
Cl=(2x8)=16, H=(2x14)= 28, O=(2x10)=20. This molecule consists of 16 chlorine atoms, 28 hydrogen atoms, and 20 oxygen atoms.
Electron of configuration for Xe, the atomic number is 54 and the mass is 131.
2,8,18,18,8. Impressive if you got it right!
What is element?
Elements are substances made up of one type of atom.