1 The numbers of subatomic particles present in four species W, X, Y and Z are given in the table.
Species
Number of protons
Number of
neutrons
Number of
electrons
W
19
20
18
х
19
20
19
Y
20
20
18
z
20
22
20
Which of these species are isotopic?
A W and X
B W and Y
C X and Z
D Y and Z

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point

The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide