Click on the group number for the Alkali Metals family at the top of the table. Answer the following about the Alkali metals:
a. What are 3 similar properties of these elements?
b. Where are these found naturally?
C. What is a common substance that alkali metals react vigorously with?

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?