Easy Points
Vocabulary
Atom Structure
Atoms And the Periodic Table
Organization Of the Periodic Table
100
Who are the Year 10 Science Teachers?
Mrs Olm, Miss Pynsent, Mr Hobson, Miss Cook, Mrs De Lange
100
the negatively charged part of the atom.
electron
100
This part of the atom has a positive charge.
proton
100
What is the name of the element with the symbol Cl?
Chlorine
100
The horizontal rows on the periodic table are called ________.
periods
200
What's the name of the Principal?
Mr Burke
200
The smallest part that an element can be broken down to and retain its physical and chemical properties.
atom
200
This part of the atom has a negative charge.
eletron
200
How many protons are in an atom of magnesium (Mg)?
12
200
The vertical columns on the periodic table are called ________.
groups
300
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300
The name given to the group of elements that are the most stable.
Noble gas
300
This part of the atom is in the center and includes protons and neutrons.
nucleus
300
The atomic number of an atom, as it appears on the periodic table of elements, is the same as the number of ______.
Protons or electrons
300
Most of the elements on the periodic table are to the left of the zigzag line and are classified as this.
metals
400
Metals can be described as good conductors of heat and _________.
electricity
400
when an atom gains or loses neutrons, it is called this.
Isotope.
400
Draw a Bohr model for boron (B). You have 90 seconds or 1:30 mins
400
An atom of cesium (Cs) has 55 protons, 55 electrons and 78 neutrons. What is its atomic mass?
133
400
Lithium (Li), sulfer (S), nickel (Ni) or germanium (Ge). Which of these is a metalloid?
germanium (Ge)
500
These 2 groups on the periodic table of elements are the most reactive.
Group 1 and 17 or The alkali metals and halogens
500
The name of the scientist who took a lot of credit for the development of the Periodic table.
Mendeleev
500
Is it possible for carbon (C) to have 8 protons?
trick question:No. If it has 8 protons it is a different element. It is oxygen (N).
500
An atom has 21 electrons. How many neutrons does it have?
24
500
What do all the elements in group 17 have in common?
Similar reactivity
or 7 valence electrons