Which two particles are always found in equal numbers in neural atoms? A. Electrons and neutrons
B. Protons and electrons
C. Neutrons and ions
D. Protons and neutrons

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

c (diamond),

sio2 (quartz)