Write the name of the alkyne next to the drawing of the molecule.

What is the relative mass of an electron? a) 1/1840 the mass of a neutron + proton b) 1/1840 the mass of an alpha particle c) 1/1840 the mass of a c-12 atom d) 1/1840 the mass of a hydrogen atom

Which of the following volumes is the smallest? a) one microliter b)one deciliter d)one liter c)one milliliter

Comparing john newland’s octaves with the modern periodic table, which 5 elements have been discovered between hydrogen and iron since newland’s time?