Metric Prefixes
What is the metric prefix that equals 10^-9?
nano
Which type of radioactive decay omits a helium particle?
Alpha
How many significant figures is in the number 12.0560
6
What number do you look at on the periodic table to determine the number of protons in an element?
atomic #
Which word describes how close your data is to the true/set value?
accuracy
What is the base unit used to measure volume/liquids?
Liters
Which type(s) of radioactive emission requires wood or thin metal/foil to protect against it?
Positron & Beta
When multiplying and dividing in an equation, what do you look at to determine the correct number of significant figures for your answer?
Lowest number of significant figures
Which two subatomic particles make up the nucleus of an atom?
protons and neutrons
What do significant figures help assess?
precision
The prefix "milli" is equal to to what power of 10?
10^-3
Which type of radiation is not even able to penetrate through skin or clothing?
Alpha
How many significant figures are in the number 5,000?
1
What is it called when the number of neutrons varies?
Isotope
If the data sets are closer to each other rather than to the true value, the data is considered what?
precise
What power of 10 is equal to the metric prefix peta?
10^15
What is the product of Beta decay?
Electron
When adding and subtracting in an equation, what do you look at to find the correct number of significant figures for your answer?
decimal places
Which subatomic particle is exchanged between atoms?
electrons
What does % error help assess?
accuracy
Which metric prefix is written with the symbol: M
Mega
Which two subatomic particles need to match in # for an atom to be neutral/stable?
Protons and Electrons
How many significant figures are in the number 0.000105?
3
What type of ions are negatively charged?
anions
Is this data accurate, precise, or both?
1.02
1.01
0.99
1.00
both