Matter
Anything that has mass and takes up space.
What is matter?
When 10cm is converted to mm.
What is 100 mm.
Finding the number of significant figures for 2,000,000.
What is 1.
3.49 moles HF converted to molecules of HF.
What is 2.10 x 1024 molecules HF.
When 3900g is converted to kg.
What is 3.9kg.
Finding the number of significant figures for 34,902.
What is 5.
2.97 moles Cu converted to atoms of Copper.
What is 1.79 x 1024 atoms Cu.
When 3mL is converted to L.
What is .003L
Finding the number of significant figures for the following operation: 2300 x 2334.8/597.
What is 2.
These mixtures are not uniform throughout.
What is heterogeneous mixture.
When 9,026 is converted to scientific notation.
What is 9.03 x 103.
When 8.72 moles H2O converted to grams H2O.
What is 157.10g of H2O.
This substance has molecules tightly packed together.
What is a solid.
When .0000000009728 is converted to scientific notation.
What is 9.73 x 10-9.
The mass number for Chlorine.
What is 35.
When 739.92g of NaCl converted to mol NaCl.
What is 12.66 mol NaCl.
When 578.34mg is converted to kg.
What is .00057834 kg.
When 7.29 x 10-3 is converted to regular notation.
What is .00729.
When an element has the same number of protons, but a different number of neutrons.
What is an isotope.
The number of moles in 128.09g of CaCO3.
What is 1.28 moles CaCO3.
The smallest unit of matter.
What is an atom.
The metric system is based on this number.
The atomic number of an element is equal to.
What is the number of protons.
When 3.87 x 1023 atoms of F is converted to grams of F.
What is 12.85g F.
The mass of an object is 38.93g and the volume of the object is 2.22mL. The density of this object is. (Make sure you include units!!!!!)
What is 17.54g/mL.
When 9.23 mol HCl is converted to grams HCl.
What is 336.54g HCl.
The volume of an object is 9.23cm3 and the density is 37.89 g/cm3. The mass is.
What is 349.72g.
These 2 particles are located inside the nucleus.
What are protons and neutrons.
When 1.21 x 1030 molecules N2 are converted to grams of N2.
What is 5.63 x 107 molecules of N2.
The mass of an object is 19.97g. The density of the same object is 8.93 g/mL. The volume of the object would be.
What is 2.24 mL.
In the current model of the atom, electrons are located in an _________ ___________ outside the nucleus.
What is an electron cloud.
When 472.97g BaBr2 is converted to formula units of BaBr2.
What is 9.59 x 1023 formula units of BaBr2.