WorksheetsMatter and Atoms
Total questions: 16
Worksheet time: 13mins
Anything that has mass and takes up space is called ____________.
Atom
Element
Molecule
Matter
___________is the basic unit from which all matter is made.
Element
Atoms
Molecule
Matter
What subatomic particle has a positive charge?
Neutron
proton
electron
photon
Which subatomic particle is the heaviest?
neutron
proton
electron
quark
Which subatomic particle is NOT located in the nucleus?
neutron
proton
electron
gluon
Which of the following is NOT a property of electrons?
They can act as both a particle and a wave.
They are positively charged.
We cannot know how fast they are going or where they are at the same time.
They exist in orbitals (2 per orbital)
Electrons are really weird
Who first proposed that everything is made of tiny indivisible particles?
Democritus
Rutherford
Dalton
Bohr
Whose atomic theory proposed that indivisible atoms combine in whole number ratios?
Democritus
Dalton
JJ Thomson
Rutherford
Chadwick
Which of the following best describes the plum pudding model of the atom?
Which best describes Rutherford's theory of the atom?
Plum Pudding Model
Indivisible particles
The atom is mostly empty space, with a nucleus in the middle
Electrons live in orbitals
Which of the following best describes Bohr's model for the atom?
What did Chadwick discover?
The proton
The neutron
The electron
The atom
How is the quantum model different from all the previous atomic models?
It has wave-like electrons existing in orbitals.
In has electrons orbiting the nucleus like planets around the sun.
It has a nucleus.
It has three subatomic particles
Who believed that everything is made from four elements: fire, water, earth and wind?
Democritus
Dalton
Aristotle
Rutherford
What did the above experiment demonstrate?
Everything is made of tiny indivisible particles.
Atoms combine in whole number ratios.
Atoms consist of positive and negative charge.
Atoms have a positively charged dense nucleus, and most of the atom consists of empty space.
Which of the following is NOT one of the three basic ingredients of the universe?
earth
intelligence
matter
energy
