NEW
Font size
WorksheetsAtomic Structure RP2
Total questions: 20
Worksheet time: 10mins
What is the positive particle in the atom?
Proton
Electron
Neutron
What is the neutral particle in the atom?
Proton
Electron
Neutron
What is the negative particle in the atom?
Proton
Electron
Neutron
The protons and the neutrons stay still in the nucleus, and the electrons orbit around.
True
False
An element is defined by its atomic number, which represents the number of ...
Electrons
Protons
Neutrons
This is called the periodic table of _________?
Elements
Atoms
Cheetos
Pizza
___________ are the smallest unit of an element that maintains the properties of that element.
Atoms
Elements
Compounds
Mixtures
Instant coffee is made by dissolving a powder in hot water. Instant coffee is a ___________________ .
pure substance
mixture
Cake batter is a substance that may contain flour, eggs and sugars mixed by hand or with an electric mixer. Cake batter is a ___________________ .
pure substance
mixture
True or False: elements AND compounds are pure substances.
True
False
Which of these is an element?
Salt (NaCl)
Water (H20)
Oxygen (O)
Carbon Dioxide (CO2)
Which of these is a mixture?
Laundry Detergent
Salt (NaCl)
Oxygen (O)
Fluorine (Fl)
What is this?
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
What is it?
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Pure Substance
MIxture
What kind of mixture is shown in the picture?
Homogeneous
Heterogeneous
