IGCSE Chemistry Atomic Structure and Periodic Table Updated Review

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

Choose the particle that has no charge.

• nucleus
• neutron
• proton
• electron

This particle determines what element you have - the elements identity.

• electron
• proton
• neutron
• valence shell

What is the mass of a proton and a neutron?

• 1amu
• 2grams
• 13amu
• 10cm

This causes the mass of the nucleus to increase.

• adding an electron
• adding a neutron
• more orbitals
• adding negatively charged particles

Tags

NGSS.HS-PS1-8

An electron has a _____ charge.

• negative
• positive
• neutral

Tags

NGSS.MS-PS2-3

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

The particles of the neutral atom you can find by knowing the atomic number.

• neutrons

• protons and electrons

• protons and neutrons

• atomic mass

What charge does the nucleus have and why?

• positive - the neutrons do not have a charge
• positive - the neutrons and protons are positively charged particles
• neutral - the neutral charge dominates the positive charge
• neutral - electrons cancel out the positive charge of the atom

What is the mass number and name of an element with 8 protons and 8 neutrons?

• 16 - Carbon
• 16 - Oxygen
• 24 - Oxygen
• 8 - Neon