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a section of the periodic table is shown below:

periodic table showing three rows. row 1: boron (b), carbon (c), nitrogen (n), oxygen (p), fluorine (f), neon (ne). row 2: aluminum (al), silicon (si), phosphorus (p), sulfur (s), chlorine (cl), argon (ar). row 3: gallium (ga), germanium (ge), arsenic (as), selenium (se), bromine (br), krypton (kr).

which of the following elements has properties similar to n?

b
o
p
si

Phosphorus

Explanation:

The elements in same group shows similar properties.

Nitrogen family contain nitrogen, phosphorus, arsenic, antimony and bismuth.

Nitrogen and phosphorus are present in group 15 and show similar properties.

Both are nommetals.

Both make similar type of compounds.

Both have five valance electrons.

Both form common anion with charge of -3.

Both are used in fertilizers.

Both are used in explosive material.

With carbon, hydrogen, oxygen both nitrogen and phosphorus are found in living system.

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)