Matter Basics
Anything that has mass and takes up space is called ___
Matter
The smallest unit of an element that still has that element’s properties
Atom
Two or more elements chemically bonded together form a ___
Can be same or different elements
Molecule
What tool is used to measure the volume of a liquid?
Graduated Cylinder
Formula for density
Mass ÷ Volume
What are the basic building blocks of all matter?
Atom
Positively charged particle in the nucleus
Proton
A combination of substances not chemically bonded
Mixture
How do you find the volume of a irregular shaped object?
Water displacement. Find the volume of water with out object and then with object and find the difference
The 2 different units that can be used for density
g/cm^3 OR g/mL
Which substance cannot be broken down into simpler substances?
Element
Neutral particle in the nucleus
Neutron
Examples like brass, air, and salt water are types of ___
Mixtures
A rock is placed in a graduated cylinder with 30 mL of water. The water rises to 46 mL.
What is the rock’s volume?
16 mL
A small stone has a mass of 60 g and a volume of 20 mL. What is its density?
3 g/mL
What are two or more atoms chemically bonded together called? They can be the same or different
Molecule
Negatively charged particle orbiting the nucleus
Electron
What classification is silver?
Element
A cube has sides that measure 3 cm and has a mass of 33g. What is its volume?
27 cm^3
An object has a density of 0.85 g/mL. Will it sink or float in water (1.0 g/mL)?
Float
What happens to an object’s mass on the Moon compared to Earth?
It remains the same
What determines an element’s atomic number?
Number of protons
What are formed when atoms of different elements bond chemically?
Compounds
The water level in a cylinder is 25 mL. After adding a marble, it rises to 32.5 mL. If the marble’s mass is 19.5 g, what is its density?
2.6 g/mL
5. A block of metal has a mass of 72 g and a volume of 8 cm³. Find its density and determine if it would float. or sink.
9 g/cm^3 --- It sinks