Which compounds, in the list provided below, have double or triple bonds? libr : n2 : ccl4 : alcl3 : cacl2 : sio2 :

An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.

What is the source of continuous heat and energy that we receive from the sun

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.