Elements Compounds

Which gas is used in advertising glow signs?

The atomic weight of Hydrogen is approximately:

Which element has the symbol 'Cu'?

Elements in the same group have the same number of:

Which is the most reactive non-metal?

What is the atomic number of Chlorine?

Which element is found in liquid state among non-metals?

What is the symbol for Gold?

Which element is necessary for combustion?

How many shells are there in a Sodium atom?

Which element is a major constituent of Diamond?

What is the symbol of Fluorine?

Which gas is used to fill balloons for decoration?

What is the electronic configuration of Phosphorus (Z=15)?

Which element has the Latin name 'Stannum'?

The valency of an element with atomic number 13 is:

In the modern periodic table, Silicon is placed in:

An atom has 7 protons and 8 neutrons. What is its mass number?

Which of these elements has the largest atomic radius?

What is the valency of Oxygen?