Metals
Which of these is a metal? (30 sec)
a. Neon
b. Hydrogen
c. Manganese
c. Manganese
Where are metalloids on the periodic table? (30 sec)
toward the right, in between non-metals and metals
Define mass.
how much stuff something is made of, weight without gravity
What do the colors on the Periodic Table represent?
metals, nonmetals, metalloids
Is slicing bread a physical or chemical change?
Physical
Name 2 properties of metals.
malleable, luster (shiny), ductile, conductor of heat and electricity
no
Put in order from least to most dense.
liquid, solid, gas
gas, liquid, solid
What is the symbol for Copper? (30 sec)
Cu
Is a production of light indicate a chemical or a physical change?
chemical change
Why is it a bad idea to be near large metal objects during a thunderstorm?
because metal is usually a good conductor of electricity
Which is commonly magnetic?
a. metals
b. nonmetals
c. metalloids
a. metals
What is matter made of?
atoms
What is the atomic mass of Tin? (30 sec)
118.7
Is digestion a physical or chemical change?
chemical
What is the only metal that is liquid at room temperature?
mercury
Is the statue of liberty a metal, nonmetal, or metalloid?
Metal, mostly
If I have a rock that weighs 1 lb, and a feather that weighs 1 lb, which is more likely to sink?
the rock, because it is likely more dense than water
Name two elements on the Periodic Table that could be dangerous to a person.
uranium, lead, mercury, etc.
Name three evidences of a chemical change.
color, light, gas, precipitate, bubbles, odor, etc
What happens to create rust on certain metals?
it reacts with oxygen and water to form rust
Why are metalloids used in the construction of electronics?
because their properties are shared by both metals and nonmetals, making them ideal for electronics
Will a ball float in water if it has a density of .8 g/cm3?
Why?
no, because water has a density of 1 g/cm3
How many elements are on a standard Periodic Table? (30 sec)
118
There is something called growth hormone that causes bone, muscle, skin, and other organ development in humans. It causes children/teens to grow taller and stronger. Is this a physical or chemical change? Explain.