Atoms and
Particles
Particles
The negative particle inside an atom is known as a/an ___________________.
A substance that cannot be broken down into other substances by chemical reactions.
An element.
This person is responsible for the creation of the Periodic Table
Dimitri Mendeleev
A salad is a great example of this type of mixture.
Heterogeneous
Gold (Au)
The path than an electron takes around an atom.
Table salt (NaCl) is an example of a chemical ________________.
Compound
What does electron affinity mean?
The likelihood of an atom gaining or losing an electron.
This is a mixture in which is contents are uniform throughout.
Homogenous mixture
What does it mean if something is malleable?
It can be bent, smashed, or changed with physical force or pressure.
The outermost electron in an atom
The Valence Electron
True or False: Methane is an element.
False
CH4 is a chemical compound
What is the mneumonic device for the periods on the periodic table?
All Acrobats Trapeze Near Huge Nets Responsibly
True or False: Mixtures are chemically combined
What is the definition of a compound?
made up or consisting of two or more existing parts or elements.
Who created the Plum Pudding Model?
J.J Thomson
This element has 78 neutrons, 76 protons, and 75 electrons.
Osmium
Which element is more likely to give up or gain an electron: Potassium or Chlorine?
Chlorine
What is a colloid?
A mixture consisting of microscopically dispersed insoluble particles is suspended throughout another substance
Who created the first atomic model?
John Dalton
This subatomic particle does not affect the identity of the element, but contributes to its mass.
Neutron
This element is known for its yellow color, rotten egg smell, and has 16 electrons.
Sulfur
Name the 7 periods in the Periodic Table
Alkali Metals, Alkaline Earth Metals, Transition Metals, Non Metals, Halogens, Noble Gases, Rare Earth Metals
This popular summertime drink is a great solution to those hot and sweaty days
Lemonade!
This person coined the term for the positively charged subatomic particle, proton.
Ernest Rutherford