Compounds
Atomic and Electronic Structure
In the Lab
It's Radioactive!
Wild Card
100
This is the name for chemical formula for an ionic compound.
What is a formula unit?
100
These are the electrons in the outermost energy level of an atom.
What are valence electrons?
100
This piece of lab equipment would be the best choice to measure the volume of a liquid.
What is a graduated cylinder?
100
This is the the term that defines the time it takes for half the mass of a radioactive sample to decay to stable state.
What is a half-life?
100
This scientific law states that matter (atoms) are not created nor destroyed in chemical reaction, but are rearranged into new substances.
What is the Law of Conservation of Mass?
200
These types of bonds form between a non metal and another non metal atom.
What are covalent bonds?
200
This is the universal force that holds the atom's nucleus together.
What is the strong nuclear force?
200
In an experiment, this is the variable that is deliberately changed, usually in sensible, evenly spaced increments.
What is the independent variable?
200
An alpha particle has the same composition as this atom's nucleus.
What is helium?
200
This element is in Group 4 and Period 5
What is zirconium?
300
These types of bonds form between a metal and a non metal atom.
What are ionic bonds?
300
This drawing/diagram represents valence electrons as dots around the elements' symbol.
What are Lewis structures/diagrams? (or electron dot diagrams)
300
This lab hazard symbol carries this warning.
What is irritant?
300
In a nuclear reaction, the radioactive isotope is as called this.
What is the parent isotope?
300
Hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine and iodine all exist as these in their pure form.
What are diatomic molecules?
400
This is the correct name for P5H7.
What is pentaphosphorus heptahydride?
400
A neutral atom of this element has an electron configuration of 1s22s22p63s23p64s23d4
What is chromium?
400
This is the name for this piece of lab equipment
What is a scoopula?
400
In a nuclear reaction, the daughter isotope can be described as this.
What is stable?
400
This is the SI base unit for the amount of a substance.
What is the mole?
500
This is the correct name for the substance Sr3(PO4)2
What is strontium phosphate?
500
A neutral atom of this element has a noble gas configuration of [Kr]5s24d10
What is cadmium?
500
This pieces of lab equipment would be the best choice to heat and evaporate water from a substance like a hydrate.
What is a crucible?
500
A beta particle starts out as one of these in an atom.
What is a neutron?
500
The element bromine is a member of this family on the periodic table.
What are the halogens?