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Chemistry 101 The Periodic Table Flashcards | StudBud
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Chemistry 101 The Periodic Table
Chemistry 101 The Periodic Table
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#A fun way to learn about Chemistry!
Flashcards
16 cards
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Questions
16
Answers
1
Group 2 is called what?
transition metals
Alkaline earth metals
2
what is an Electron?
negatively, charged moving around the nucleus of an atom.
The number of protons in a nucleus of an atom of an element
3
Atoms with the same group...
repel each other
React in the same way
4
true of false oxygen and sulfur are in the same group?
false
true
5
Groups 3-12 are caller what?
metalloids
transition metals
6
What happens as you go down group 1
it hardens, gets heavier, does not melt, and is not reactive
it grows Softer, density , melts reactivity
7
what are nonmetals?
brittle , dull, heatless, melt at low temperatures.
melts at high temperatures and are hard, bright, and shiny
8
What is the name of group 1?
The halogens
Alkali metals.
9
what is a neutron?
tiny charged atom that moves and creates its own energy
a no charge atom and is found in the nucleus of an atom
10
what is Atomic Number?
The number of protons in a nucleus of an atom of an element
The total number of protons and neutrons in a atom's nucleus
11
what is Mass Number?
A chart of all the chemicals on the Periodic Table
The total number of protons and neutrons in a atom's nucleus
12
what is an element?
A pure substance that consists entirely of one type of atom.
smallest unit of measure for an element.
13
Group 18 is called what?
Alkaline earth metals
Noble gases
14
what is a Proton?
has no charge and is found in the nucleus of an atom.
Positively charged particle in the nucleus of an atom
15
Group 17 is called what?
Noble gases
The halogens
16
what are metalloids?
Found along the 'staircase' in the Periodic Table.
Brittle, dull, conducts heat.
