Atom Composition
Periodic Table
Elements
Properties
Miscellaneous
100
Found in the nucleus. Has a neutral charge.
What are neutrons.
100
Rows in a periodic table are called ___________ .
What are periods.
100
The abbreviated name for an element.
What is chemical symbol.
100
A gentle sheen or soft glow.
What is luster.
100
True or False: Magnetism is a physical property.
True
200
They move rapidly around the nucleus.
What are electrons.
200
Columns in a period table are called __________
What are groups or families.
200
The atomic number of an element is the number of ______________ in an atom of that element.
What are protons.
200
The ability to be hammered or rolled into flat sheets and other shapes.
What is malleability.
200
Which elements have more in common: sulfur and selenium? Or sulfur and aluminum?
Sulfur and selenium. Both are nonmetals and solids. Also, sulfur and selenium are in the same family, which means they have common properties.
300
For an atom to be neutral, or balanced, there are the same number of electrons as ____________.
What are protons.
300
Which of the following scientist created the first periodic table? a. Mendel b. Mendeleev c. Darwin
Who is (b) Mendeleev.
300
True or False: The chemical symbol of an element always begins with the first letter of the element name.
False: Au is the chemical symbol for gold.
300
The gradual wearing away of metal element due to a chemical reaction.
What is corrosion.
300
An element has 26 protons and 30 neutrons. What is it?
What is iron (Fe).
400
The smallest components that make up an element in which the properties of the element stay the same.
What are atoms.
400
Elements in the periodic table go across in rows by increasing atomic ____________.
What is atomic number.
400
Hg is the chemical symbol for what element?
What is mercury.
400
The ability to stay strong and in good condition over a long period of time.
What is durability.
400
What state of matter is bromine at room temperature?
What is liquid.
500
The smallest particles of matter.
What are protons, neutrons, and electrons.
500
True or False: Properties of elements on the periodic table are most similar when you go across a row.
False. Properties of elements on the periodic table are most similar when you go down a column.
500
What is the atomic mass of uranium?
What is 238.03 amu.
500
The ability to be pulled, or stretched, into long wires.
What is ductility.
500
Please give the following information for one atom of aluminum: protons = neutrons = electrons =
protons = 13 neutrons = 14 electrons = 13
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