Quiz-1

An electron is

• positively charged

• neutral

• negatively charged

atomic number is

• the number of protons

• the number of electrons

• the number of neutrons

• the location of an atom on the periodic table

Water is the product of the reactants:

• oxygen and water

• oxygen and carbon

• hydrogen and oxygen

Tags

NGSS.MS-PS1-5

What is the atomic number of Oxygen?

• 8

• 6

• 5

• 3

Due to which phenomenon does the sky look blue?

• Dispersion

• Scattering

• Reflection

• Absorption