A vertical column of elements in the periodic table is called a .

A horizontal row of elements in the periodic table is called a
.

Atoms of elements in the same group have the same
.

As you move from left to right on the periodic table, the atomic number

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?