Significant Figures
All non-zero digits in a measurement are considered this.
What is a Significant Number?
The study of matter and the changes it undergoes.
What is chemistry?
The symbol 'm' represents this unit.
What is meter?
The periodic table is made of dozens of these compound building blocks.
What is an element?
If I convert 1,000 grams to 1, it is followed by this unit.
What is kilogram?
The number of significant figures in the numeral 45.0002.
What is six?
Anything that has mass and takes up space.
What is matter?
The symbol 'K' represents this unit.
What is kilogram?
Sodium and chloride are individually very dangerous, but mix them together to get this harmless substance.
What is table salt (sodium chloride)?
In a conversion problem, you'll write the unit you already know in the following position.
What is 'below the line?'
The number of significant figures in 200 grams.
What is 1?
This system was devised by the French government to solve many trade disputes.
What is the metric system?
The metric system unit for measuring temperature.
What is Kelvin?
When elements are put together, they are called this.
What is a compound?
The standard measurement for 1 inch can be converted to the following metric centimeter measurement.
What is 2.54 centimeters?
Adding this item will increase the number of significant figures in a numeral, because it creates more exactness.
What is a decimal?
This force holds compounds together.
What is a chemical bond?
Milli stands for this.
What is 0.001? (one thousandth)
Many elements on the periodic table have symbols based in what language?
What is Latin/Roman?
420 pounds can be converted to the following number of kilograms.
What is 190.51 kg?
In the numeral 0.145, the zero in this example is considered the following.
What is 'never significant'?
Molecules are widely spaced in this state.
What is a gas?
Mega stands for this.
What is 1,000,000?
This chemist professor organized the periodic table by sorting and describing each element's properties on a notecard and then discovering the pattern that emerged.
Who is Dmitri Mendeleev?
45 inches can be converted into the following number of meters?