Identify two ways in which carbon-12 carbon-13 and carbon-14 are alike

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?