The best answer to report is 2.900 g/ml (answer A)
explanation
The best answer to report must be in four significant figures. 2.900 g/ml is therefore the best answer to report since in is in four significant. zeros placed after other digits but behind a decimal point are significant figures.,theerfore 2.900 has four significant figures
Brass is an example of homogeneous mixture.
Answer: the upper right portion of the periodic table.
Explanation:
Explanation:
i.Periodic table:It is a chart or table of the elements arranged into columns and rows according to their physical and chemical properties.
ii.Period on the periodic table:The horizontal rows of elements
iii.Column on the periodic table:The vertical representation of elements
Answer:
Answer is A
Explanation:
Now we know that an atom wants to complete its outer shell while keeping electrons in pairs of two now in A there are four electrons which which can be ejected while in B will want to accept 3 electrons to complete its shell as ejecting five will take lot of energy similar case will be for C,D and E which would want to accept 2,1,0 electrons respectively