Atoms
The # of protons and Neutrons in the nucleus of an atom.
Atomic Mass
a ruler is used to measure?
length
What part of the scientific method would be a summary of the entire project?
Conclusion
How many elements are in NaHCO3 (baking soda)?
4
What do we call a combination of two or more substances that are NOT chemically combined?
Mixture
A neutral particle that is in the nucleus of an atom
Neutron
How do you measure the volume of an irregular object?
displacement method
When graphing our data, which variable would go on the X axis?
Independent
What is made up of one type of atom and can be found on the periodic table?
Element
The measure of the amount of solute dissolved in a solvent is called what?
Concentration
The center of an atom that contains protons and neutrons
Nucleus
What is the density of an object with a volume of 5 mL and a mass of 10g?
2 g/mL
When graphing our data, which variable would go on the Y axis?
Dependent
What is the smallest unit of matter called?
Atom
The substance that dissolves the solute in a mixture is called what?
Solvent
What charge does a neutron have
What is the volume of an object with a length of 2cm, height of 5cm, and width of 3cm?
30cm3
What part of the scientific method might include a graph or chart?
Results
What is the smallest unit of a compound called?
Molecule
Distilled water is neutral, so its pH is?
7
Where are electrons found?
The electron cloud
Cubic centimeters are a unit used to measure?
Volume
What part of the scientific method answers the problem (at least predicts the outcome)?
Hypothesis
How many elements are in H2O?
2
Toothpaste has a pH of 9, so it is a?
weak base