AP BIOLOGY

BIOCHEMISTRY

PROPERTIES OF WATER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following elements are nonmetals?
A
palladium (Pd) and zinc (Zn)
B
lithium (Li) and barium (Ba)
C
beryllium (Be) and magnesium (Mg)
D
nitrogen (N) and sulfur (S)
Explanation: 

Detailed explanation-1: -Hydrogen, carbon, nitrogen, oxygen, phosphorus, arsenic and selenium are the non-metallic elements in the periodic table.

Detailed explanation-2: -nitrogen (N), nonmetallic element of Group 15 [Va] of the periodic table. It is a colourless, odourless, tasteless gas that is the most plentiful element in Earth’s atmosphere and is a constituent of all living matter.

Detailed explanation-3: -Nitrogen, N, is an odorless, colourless, and tasteless gas. It is a non-metal with one of the highest levels of electronegativity on the periodic table of elements.

Detailed explanation-4: -The non-metallic chemical element sulfur, 3216S, referred to in Genesis as brimstone and identified as element by Lavoisier, is the tenth most abundant element in the universe and the fifth most common element on Earth.

There is 1 question to complete.