Elements of the Periodic Table

Conductivity of heat and electricity (correct)

Solidity at room temperature

Lustrous appearance

Ductility and malleability

Behave as both metals and non-metals

Have chemical properties that are always non-metallic (correct)

Have physical properties that tend to be metallic

Solid at room temperature

The atomic number is equal to the sum of protons and neutrons

The atomic number is equal to the number of electrons

The atomic number is equal to the number of protons (correct)

The atomic number is equal to the number of neutrons

<p>Group 1</p> Signup and view all the answers

<p>Periods indicate energy levels, while groups indicate similar chemical properties</p> Signup and view all the answers

<p>Good conductors of heat and electricity</p> Signup and view all the answers