Can a metalloid share properties of metals and nonmetals?
What is yes?
What causes temperature change, and bubbles (gas) produced? Chemical or physical change?
What is a chemical change
What elements would you want to use to complete a circuit for a lightbulb?
What is a metal
A teacher is conducting an investigation by using special equipment to hold a magnesium (Mg) ribbon over the flame of a Bunsen burner. It then lit up to produce a very bright light. Which observation indicates a chemical reaction took place?
What is the burning magnesium produced light.
What are the most abundant elements on the periodic table?
Where are these substances located on the Periodic Table? COPPER, GOLD, ALUMINUM, IRON
Where is the Middle left (Metals)
A. storing milk by putting it into the freezer
B. milk turning sour when left out of the refrigerator
C. mixing milk into a glass with chocolate syrup
D. allowing milk to evaporate leaving a powder
What is "B"
What is something that can be hammered into a flat sheet using a hammer?
What is Malleable
Students combine several chemicals and record the observations in their science notebooks. A list of the observed results is given here.
Which of the following is NOT evidence of a chemical reaction?
A. crystals dissolving
B. production of gas
C. heat produced
D. precipitate forms
What is "A"
What elements are malleable?
What is metals
Due to the moisture in the air, silver will turn black (tarnish), iron will turn reddish-brown (rust), and copper will turn green (patina). What would these be an example of?
A.physical change
B.chemical change
C.physical property
D.chemical property
What is "B"