The smallest unit of an element that retains the properties of that element is a(n)
atom
100
Anything that has mass and volume is made up of ________________
matter
100
What customary unit is used to measure weight
Pound
100
Would a bowl filled with 10 marbles be more or less dense than a bowl with 5 marbles?
more dense
100
The resistance to sinking is known as __________________
buoyancy
200
The hard core at the center of an atom is the
nucleus
200
The amount of mass for each milliliter of a substance is known as the __________________of the substance.
density
200
at room temperature most elements are ___________________
solid
200
What particle in an atom has no electrical charge and no positive charge?
Neutron
200
What are the three main types of elements
metals, nonmetals, metalloids
300
Bending a material without breaking is _____________
malleability
300
What is the formula for density?
D= M/V density = mass divided by volume
300
Which particle inside an atom has a negative electrical charge?
Which particles has a positive charge?
electron
Proton
300
What happens to metals when they combine with nonmetals from the environment, such as the Statue of Liberty
Corrosion
300
Name one element that is a nonmetal
Oxygen, Nitrogen, Carbon, etc.
400
The ability to make a material thin without breaking it
ductility
400
A group of elements known as ____________________on the periodic table have conductivity, luster, and flexibility as common properties
metals
400
the most common elements in the universe are Hydrogen and ________________
Helium
400
Describe where electrons, protons, and neutrons are in an atom?
Electron are flowing around the nucleus in the atom. Protons and neutrons are inside the nucleus.
400
What would you do to measure the volume of a golf ball?
Fill a beaker with water and measure the volume in mL. then place the ball in the beaker and record that volume. Find the difference between heights and that is the volume of a golf ball
500
The measure of how much space an object takes up is
volume
500
A _________________consists two or more atoms joied together as a single particle
molecule
500
The two most common elements in the atmosphere are
Nitrogen and Oxygen
500
Give two examples of how people use aluminum
1. Mirrors because it is polished to be reflective
2. Wrap food to reflect heat and keep warm
3. Electrical Wiring because its a conductor
4. Soda cans because it is easy to mold
500
At room temperature the element nickel is __________