9th grade science- Atomic Structure Questions solved 2024

9th grade science- Atomic Structure

The 3 particles of the atom are - answer- proton
- neutron
- electrons

Their respective charges are - answer+ proton
0 neutron
- electron

They are respectively found where? - answer nucleus - proton
nucleus - neutron
electron cloud - electron

The number of protons in one atom of an element determines the atom's what? -
answer the atom's number.

The number of electrons determine an element's what? - answer the ion of an element.

The atomic number tells you the number of what in one atom of an element - answer
protons

The atomic number also tell you the number of what neutral element of the atom? -
answer electrons

The atomic number gives the identity of an element as well as it's location on the
periodic table. What is different about elements on that table - answer no two elements
have the same atomic number

The average mass of an element's naturally occurring atom is called... - answer Amu

The amu takes into account the _____ of each isoptope - answer mass

The total number of protons and neutrons in the nucleus of an atom is called what? -
answerAtomic mass

What makes up atomic mass - answerthe protons and the neutrons in the nucleus

What is used to calculate the number of neutrons in one atom of an element -
answerthe mass number

The mass number is use to calculate what in one atom of an element? -
answerneutrons