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Worksheetsscience
Total questions: 15
Worksheet time: 17mins
This particle is found in the nucleus and has no charge
Neutron
Orbital
Proton
Electron
All atoms of the same element are exactly alike and have the same ?
Mass
Element
Electron
Compound
Thomson discovered that atoms contain negatively charged particles each of these particles are called
(a)
Rutherford concluded that the atom is mostly empty space but has a dense ,positive charge at its center .this dense center is called the
(a)
The number of protons in the nucleus of an atom is the
(a)
an isotope is identified by its
(a)
What is the average mass of all the isotopes of that element
Atomic mass
Atomic number
Chemical symbol
No options are correct
(a) is a chart showing all of the elements arranged according to the repeating pattern of their properties
The rows in the periodic table are known as periods
(a)
In the groups of the periodic table how many columns are there
14
15
16
18
Are hard and shiny solids with high melting points most are good conductors
Transition metals
Alkaline earth metals
Alkali metals
None of the above
The (a) of an atom are those electrons that have the highest energy
What is a malleable ?
What is a ductile
Thermal conductivity is the ability of an object to _____ heat
Transfer
Luster
Export
None of the above
