Properties of Matter and Miscellaneous
Mixtures and Miscellaneous
Atoms and Elements
Molecules and Compounds
Periodic Table
100
What type of property are boiling point, melting point and density?
What is characteristic property?
100
The two types of mixtures.
What are heterogeneous and homogeneous mixtures?
100
What is the smallest unit of an element that still has the properties of that element?
What is atom?
100
The two names for the columns in a periodic table.
What is group and family
200
Which of the following do water (H2O), rust (Fe2O3), and salt (NaCl) have in common?
They are compounds.
200
Identify the mixture: salt, rust, air, water.
What is air?
200
Identify the atom: Hafnium (H), Carbon Monoxide (CO),, water, air.
What is Hafnium?
200
The force that holds two atoms together.
What is chemical bond?
200
The number of protons is identified by this.
What is the atomic number?
300
What is the formula for density?
What is density = mass/volume?
300
A property that can be used to identify a substance because it does not change.
What is characteristic property?
300
Why are atoms typically neutral?
What is protons = electrons?
300
Chemical formula's tell you these two pieces of information:
What are the names of elements and the number of atoms?
300
The chemical symbol for Tin.
What is Sn?
400
Mendeleev was important for this.
What is creating the first periodic table?
400
Which of the following substances can be separated into several elements? nitrogen, zinc, air, aluminum
What is air?
400
The 2 parts that are located in the nucleus of the atom
What is protons and neutrons?
400
8. The particles involved in a chemical reactions are: electron ,neutron, protons, nucleus
What is electrons?
400
The names of the two groups of elements that appear below the periodic table.
What is lanthanides and actinides?
500
Sugar is composed of carbon, hydrogen, and oxygen. Sugar is an example of which of the following?
What is a compound?
500
Elements in group 17 (Halogens) are very reactive because they have ___ valence electrons.
What is 7 valence electrons?
500
7. Elements in the same ________________ in the periodic table have the same properties.
What is group or family?
500
In a reaction, atoms with _______ valence electrons will probably gain 2 electrons.
What is 6?
500
The most reactive family of elements on the periodic table.
What is Alkali metal group (group 1)?
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