Chemistry Yr 9

What did James Chadwick discover?
by Daisha

• neutrons
• electrons
• the atomic theory
• protons

Who first had the idea of an atom?

• Democritus
• Dalton
• Thomson
• Rutherford

Which experiment did Rutherford perform

• Gold Foil
• Cathode Ray
• TNT discovery
• First dissection

What contribution did John Dalton make to atomic theory? 

• He discovered that every atom was positively charged. 
• He discovered that every element consisted of one type of atom.  
• He discovered that atoms had nuclei. 
• He discovered that atoms could be divided into smaller parts. 

Tags

NGSS.MS-PS1-1

Which scientist developed the plum pudding/chocolate chip cookie model

• Dalton
• Thomson 
• Rutherford
• Democritus

What scientist is best known for his "Plum Pudding" model of the atom?

• J.J. Thomson
• Ernest Rutherford
• John Dalton
• Democritus

Which scientist discovered the nucleus?

• Bohr
• Rutherford
• Chadwick
• Thomson

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

The most basic building block of matter (smallest part of an element) is called a(n) __________. 

• Product
• Reactant
• Atom
• Molecule

Tags

NGSS.MS-PS1-1