ELEMENTS SYMBOLS

The following are chemical changes except:

• burning of coal

• cutting a piece of paper using a scissor

• explosion of fireworks

• mixing vinegar and baking soda

Tags

NGSS.MS-PS1-2

Which of the following is not a physical change?

• Crushing a can

• Cutting hair

• Folding paper

• Cooking a dish

Which of the following is not an indicator of a chemical change?

• change in odor

• change in color

• no new substance is form

• emission of light

Tags

NGSS.MS-PS1-2

________ change is a process in which the molecular composition of a substance is completely altered and create a new product.

• Physical

• Reaction

• Chemical

• Equation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• product

• reactant

• equation

• formula

What is the symbol of the element Mercury?

• Hg

• M

• E

• My

What is the symbol of the element Tungsten?

• T

• Tn

• W

• Tg

What is the symbol of the element Platinum?

• Pt

• P

• Xe

• Pl

What is the symbol of the element Cobalt?

• Cb

• Ca

• Co

• Ct

What is the symbol of the element Lead?

• L

• Le

• Ld

• Pb