Phases of Matter
Bonding
Atoms
Periodic Table
The Elements
100
This phase is the least dense and particles are moving very fast.
What is a gas?
100
Positive ions form bonds with these.
What are negative ions?
100
The subatomic particles are neutrons, protons and electrons.
What are the names of the particles that make up an atom?
100
Has an atomic number of 17, an atomic mass of 35.453 and 7 valence electrons.
What is Chlorine?
100
Has 7 protons ans 7 neutrons.
What is nitrogen?
200
The name of the process by which a liquid turns into a gas.
What is vaporization?
200
The type of bond that is formed when electrons are shared.
What is a covalent bond?
200
Positively charged subatomic particles located inside the nucleus of an atom.
What are protons?
200
These elements are located along the zigzag line.
What are metalloids?
200
Has 12 electrons, 2 of them are valence.
What is magnesium?
300
The most dense phase
What is solid?
300
These elements do not form bonds with other elements.
What are the Noble Gases?
300
Negatively charged subatomic particles located outside the nucleus of an atom.
What are electrons?
300
Elements in groups 1 and 7.
Where are the most reactive elements found?
300
Bonds with chlorine to form table salt.
What is sodium?
400
Particles are moving verrrry sslllooowly in this phase.
What is solid?
400
The type of bond formed by the attraction of positively charged ions for negatively charged ions
What is an ionic bond?
400
Positively or negatively charged atom whose charge results from the gain or loss of one or more electrons
What is an ion?
400
Its chemical symbol is Au.
What is gold?
400
Has 19 protons & 20 neutrons.
What is potassium?
500
Phase change in which a solid goes directly to a gas, never passes through the liquid phase.
What is sublimation?
500
An atom that has lost two electrons will have what charge?
What is +2?
500
The number of valence electrons in a Noble Gas.
What is 8?
500
Group that has 5 valence electrons.
What is group 15?
500
Has 117 neutrons.
What is platinum?
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