Week 1 Lesson/Quiz Flashcards
Element Compounds of Salt
Na [ Sodium] + CI [Chlorine ]
NaCl means
Sodium Chloride
Element Compounds of Soap
Sodium Hydroxide
Na + OH
NaOH
NaOH
Sodium Hydroxide
basic unit of a chemical element
Atom
positive electrons
cation
Negative electrons
anion
Sub atomic particles
Protons
Electrons
Neutrons
positive
protons
negative sub atomic particles
Electrons
Does not carry any charge
Neutrons
Structure of atom
Nucleus
Proton
Neutron
Electron
Cover up the neutron and proton
Nucleus
Outside the atom
Electron
Inside the nucleus
Proton and electron
molecules that make up all things
matter
Element are
Atom
2 or more element being bonded together to form a new compound or molecule.
Compound
Parts of chemical reaction equation.
Reactant, product
HCl means
Hydrogen chloride or hydrochloric acid
- No chemical reactions is allowed
- can be observed and measured.
Physical Properties
15 example of physical properties
1.Color (I)
- Texture (I)
3.Temperature (I)
- mass (E)
- Volume (E).
- Density (E)→ Densities [H-0.0009 g/cm³, Os-23 g/cm³]
7.Luster (I) - reflection
8.Ductility (I) - stretched into a wire
9.Malleability (I)
10.State (I)
11.Melting Point / Freezing Point (I)
12 Boiling Point / Condensation Point (1)
- Hardnets (I)
14.Streak (I) - color ween rubbed in a porcelain plate
- Shape (1)
reflection
luster
Lowest density element
Hydrogen