The number of protons in an element is = to this number.
What is the atomic number?
100
This atom has a nucleus that contains 13 protons and 14 neutrons. (Mg, Be, Al, N).
What is Al?
100
DOUBLE JEOPARDY
This kind of energy is stored within a chemical substance.
This kind of energy is known as the energy of motion.
What is potential? What is kinetic?
100
Nonmetals in the solid state are poor conductors of heat and tend to be ____________.
What is brittle?
200
This type of mixture has particles that are easily distinguishable; like salsa.
What is heterogeneous?
200
DOUBLE JEOPARDY
The atomic number of any atom is equal to the number of _______.
Find the density: A pebble has 35 grams and a volume of 14 cubic centimeters.
What is protons in the atom? 2.5 g/cm cubed?
200
Isotopes are atoms of the same element that contain a different number of this.
What are neutrons?
200
More than two-thirds of the elements on the Periodic Table are classified as this.
What are metals?
200
DOUBLE JEOPARDY
Elements are arranged in the periodic table according to increasing ____________ ___________.
What are atomic numbers?
300
This type of mixture has particles that are evenly distributed; like salt water.
What is homogeneous?
300
Atoms of the same element can differ in their number of __________.
What is neutrons?
300
DOUBLE JEOPARDY
Alkaline earth metals belong to this group.
What is 2?
300
This element is in group 2, period 7 of the periodic table. (magnesium, manganese, radium, radon).
What is radium?
300
Most metals are ______. (brittle, dull, poor conductors, ductile)
What is ductile?
400
DOUBLE JEOPARDY!
An example of a heterogeneous mixture would be which of the following: soil, sugar, carbon monoxide, carbon dioxide.
What is soil?
400
What is the atomic mass of an atom which contains 28 protons, 28 electrons, and 34 neutrons?
What is 62?
400
This is a negative ion. It ______ electrons.
What is an anion? gains.
400
Boron and arsenic are similar in that they both are _____.
What are metalloids?
400
Define the following physical characteristics: ductile, malleable, density.
What is can be drawn into a thin wire, can be hammered without shattering, mass/volume?
500
Draw the matter diagram we have completed in class. ALL levels must be complete in order to earn the points.
What is matter diagram?
500
This many protons are in the nucleus of an atom of beryllium. This many protons are in the nucleus of carbon.
What is 4 and 6?
500
This is a positive ion. It _________ electrons.
What is cation; loses
500
This metal is a liquid at room temperature. This nonmental is a liquid at room temperature.