แผ่นงาน8.P.1.1 & 8.P.1.2 Science Review
คำถามทั้งหมด: 26
แป้นคำตอบ8.P.1.1 & 8.P.1.2 Science Review
คำถามทั้งหมด: 26
salt and water
-evaporation
,iron and beans
-magnetic separation
,water and sand
-filtration
,Na and Fe mixed water
-chemical separation
Na
-Element of Sodium
,H2O
-Compound of Water
,O2
-2 Elements of Oxygen
,2NaCl
-2 molecules of the compound Salt
,H2O + NaCl
-Mixture of Salt Water
mixtures
From left to right the periodic table made up of alkali metals, alkaline earth metals, transition metals, metalloids, oxygen family, halogens and noble gasses
Group 1 Alkali Metals
Group 18 Noble Gases
Group 17 Halogens
Group 17 Halogens
Group 18 Noble Gases
Protons: 36, Electrons: 36, and Neutrons: 48
Protons: 78 Electrons: 78, and Neutrons: 117
Proton
element
-one or more of the same atom
,compound
-two or more elements chemically combined
,molecule
-two or more atoms of element or compound
,mixtures
-something can be seperated
NaCl
, b)H2SO4
condensation
5
D. The student’s claim is correct because the atoms in the substances are chemically combined to form a compound.
