Which of the following statements about atoms are true? Atoms are always joined directly to other atoms.

Atoms may be joined together in well-defined molecules.

Atoms may be arranged in repeating crystal patterns.

All ordinary substances are made of atoms.

All known substances are made of molecules.​

Number 6 is correct all substances are made of molecules.

Explanation:

A molecule is a formation of atoms or a chemical and all substances are made of chemicals.

a galvanic cell( aka voltaic cell) and electrolytic cell

explanation:

stan bts (kpop group)

follow my insta yoongi_jams

subscribe to my yt yoongi jmz

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be