THE BREAKOUT - 1ST ELIMINATION ROUND

In one of your laboratory activities, your teacher asks you to identify the acidity of the sample juice, which instrument are you going to use for this task?

• pH Paper

• Litmus Paper

If the sample is a/an ___________ solution when the color of the litmus paper turns blue.

What is a molecule?

• the smallest particle of matter

• a bonded group of cells

• a constant moving particle

• the most basic structure of matter

Tags

NGSS.MS-PS1-1

Which of the following is not a property of a liquid particle?

• They are attracted to one another

• It moves past one another.

• They are in constant motion.

• The particles are too close to each other.

The following are subatomic particles of an atom, EXCEPT?

• molecules

• neutron

• electron

• proton

Tags

NGSS.MS-PS1-1

Which of the following pair of subatomic particles can be found in the nucleus?

• proton, neutron, electron

• electron & neutron

• proton and electron

• proton and neutron

What charge does an electron have?

• positive

• negative

• zero

• neutral

How many periods does periodic table of elements have?

• 5

• 6

• 7

• 8

How many groups are there in the periodic table of element?

• 15

• 16

• 17

• 18

Who devised/arranged the elements of the periodic table?

• Henry Moseley

• Dmitri Mendeleev

• Charles Darwin

• Sir Isaac Newton