PHYSICAL SCIENCE 12

THE FATHER OF CHEMISTRY

• ISAAC NEWTON

• ANTOINE LAVOSIER

• GREGOR MENDEL

• DMITRI MENDELEEV

Answer explanation

Antoine Lovosier is also known as the father of chemistry.

HE FORMED THE PERIODIC TABLE OF ELEMENTS

• GREGOR MENDEL

• ALBERT EINSTEIN

• DMITRI MENDELEEV

• ANTOINE LAVOSIER

Answer explanation

Many scientists and even philosophers did discovered elements. Dmitri Mendeleev is the one who published the table of elements that is aligned in rows and columns in order of increasing atomic mass. Published 1869, Russian Chemist.

ANYTHING THAT HAS MASS AND OCCUPIES SPACE

• MIXTURE

• MATTER

• PURE SUBSTANCE

• ELEMENT

FIXED COMPOSITION AND PROPERTIES

• ELEMENTS

• MATTER

• PURE SUBSTANCE

• COMPOUND

Tags

NGSS.MS-PS1-5

VARIABLE COMPOSITION AND PROPERTIES

• ELEMENT

• COMPOUND

• MATTER

• MIXTURE

Tags

NGSS.MS-PS1-2

COMPOSED OF TWO OR MORE ELEMENT CHEMICALLY COMBINED

• MIXTURE

• COMPOUND

• HETEROGENOUS

• CHEMICAL BOND

Tags

NGSS.MS-PS1-5

ITS ATOMS HAVE SAME NUMBER OF PROTONS

• ELEMENT

• ELECTRON

• NEUTRON

• MATTER

Answer explanation

The atomic number of an element is the number of protons it contains.

Tags

NGSS.MS-PS1-1

A COMPOUND COMBINATION OF HYDROGEN AND CARBONS

• HYDROCARBONS

• SUGAR

• METHANE

• CHLOROFLOROCARBONS

Answer explanation

Hydrocarbons are organic compounds composed solely of two elements which are Carbon and Hydrogen.

What is the molecular name of the compound "C8H18"?

• METHANE

• OCTANE

• HEPTANE

• BUTANE

Answer explanation

Hydrocarbons name 'ends with *ane

*the prefix for the name start based on carbon atoms it contains. PREFIXES-------Meth (1 carbon), Eth (2 carbon), Prop (3 carbon), But (4 carbon), Pent (5 carbon), Hex (6 carbon), Hept (7 carbon), Oct (8 carbon), Non (9 carbon), Dec (10 carbon)

Tags

NGSS.MS-PS1-1

What is the chemical name of "C4H10"?

• BUTANE

• HEXANE

• PENTANE

• OCTANE

Tags

NGSS.MS-PS1-1