WorksheetsQuiz Bowl Representatice
Total questions: 15
Worksheet time: 8mins
Name the British physicist who showed an atom's positive charge was centralized in the nucleus (as opposed to what was theorized in J.J. Thomson's "Plum-Pudding" Model) by firing particles at a thin sheet of gold.
Ernest Rutherford
Neils Bohr
J.J. Thompson
John Dalton
Name the effect which Einstein's quantum theory of light attempts to explain.
Black Bodies
Millikan
Photoelectric Effect
Brownian motion
What is the name given to the chaotic motion of floating particles, explained by Einstein in terms of an atomic theory of matter?
Black Bodies
Millikan
Photoelectric Effect
Brownian motion
How are the elements of a period arranged in the modern periodic table, from left to right?
In order of increasing atomic number
In order of increasing atomic mass
In order of decreasing atomic mass
In alphabetical order
An atom of an element has the electronic structure 2,8,8,1. How many electrons are in the shell nearest the nucleus?
1
2
8
16
What is the electronic structure of an atom of the element whose atomic number is 13?
8,2,3
3,2,8
2,8,3
3,4,7
An atom of an element has the electronic structure 2,8,7. Which group of the periodic table is it in?
7
2
8
5
What happens to metal atoms in chemical reactions?
They lose the competition
They lose electrons to form negative ions
Back
They lose electrons to form positive ions
They gain electrons to form negative ions
Which element is located in Group 4 and Period 3?
Arianagrande(Ag)
Germanium (Ge)
Silicon (Si)
Gallium (Ga)
Which statement about the elements in the modern periodic table is correct?
Most elements are metals and they are found on the left and in the middle
Most elements are non-metals and they are found on the right
Most elements are metals and they are found at the bottom
Most elements are metals and they are found on the right
A modern periodic table arranges atoms in rows and columns. What names are given to the these rows and columns?
trotropahin
The rows are periods and the columns are groups
The rows are groups and the columns are periods
The rows are shells and the columns are groups
Which scientist invented the earliest version of the periodic table?
Alexandre-Emile Béguyer de Chancourtois
Lothar Meyer
Albert Einstein
Dmitri Mendeleev
How many periods or rows are there on the periodic table?
7
8
9
10
Moh's scale is used to describe:
he proportion of dark-coloured minerals in a rock
The hardness of minerals
The energy of earthquakes
The strength of wind
Diamonds are made of:
Iron
Carbon
Quartz
Aluminium
