Periodic Table
Density
Miscellaneous
Chemical Changes/Reactions
Chemical or Physical Properties
100
How many groups or vertical columns are on the Periodic Table?
18
100
What is the volume of Spongebob?
2
100
Which of the following represents an mixture?
D
100
What type of reaction absorbs heat energy?
Endothermic
100
Which are not physical properties of metals?
Shiny, brittle, ductile, solids, poor conductors, soft, malleable.
brittle, poor conductors, soft
200
How does reactivity of elements change as you move from left to right along a period?
Reactivity decreases from left to right
200
To calculate Density you divide mass by what?
Volume
200
A pure substance made up of only one type of atom.
Element
200
This type of reaction releases heat.
Exothermic
200
Which properties are not properties on non metals?
Shiny, dull, brittle, ductile, poor conductors of heat, malleable, mostly gases at room temperature.
shiny, ductile, malleable
300
How many electron shells or energy levels do elements in Period 3 have?
3
300
The units for density can be expressed as grams per ________ or grams per ___________.
cm3, ml
300
Pure substance made up of more than one type of atom combined in a fixed ration.
compound
300
In a reaction forming chemical bonds releases energy therefore it is this type of reaction.
Exothermic
300
Which of the following are chemical properties?
Solubility, reactivity, acidity, luster, malleability, ductility.
reactivity, acidity
400
The electrons in the outer shell are called these type of electrons.
Valence
400
The density of an object that has a mass of 5g and a volume of 2 ml is?
2.5 g/ml
400
A solution like salt water is this type of mixture in which the individual parts cannot be observed.
Homogeneous.
400
An acid reacting with a base is ___________ change
chemical
400
Property of metals that allows them to pulled into wires.
Ductility
500
Elements in Group 1 have one valence electron. Which group on the table do they tend to react with most readily?
Group 17
500
What is the volume of this object?
288 cu in
500
Which type of bond forms between a nonmetal and nonmetal?
Covalent
500
Which of the following are indicators of a chemical change?
Release of gas bubbles, increase in temperature, change in shape, formation of precipitate, release of light
all are correct except change in shape
500
Silicon is a very common element that is classified as a ___________ it allows electricity to flow when it is heated up?
Metalloid