Answer:
8
Explanation:
The atomic number refers to the number which identifies the element, which is the proton number.
If it has a metal and a nonmetal. Not sure if this helps, but I hope it does :)
Answer:
The answer is 1385 x10∧ -3
Explanation:
Scientific notation is a quick way to represent a number using notation in exponential form or powers of base ten.
This notation allows us to express too large or small numbers easily.
<u>For example:
</u>
500 is written as 5x10∧2; Where the power 2 represents the number of 0's that follow 5.
0.0093 is written as 9.3x10∧-3; Where the power -3 represents the number of times the comma was moved to the right.
Brass is an alloy, or a combination of two (or more) metals.