Physical Science Final Examination S.Y 2019-2020

35 Questions | By Cagumbay1994 | Updated: Mar 21, 2022 | Attempts: 187

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Physical Science Final Examination S.Y 2019-2020 - Quiz

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Questions and Answers

1.

His experiments on beryllium and alpha particles showed the existence of the third subatomic particle, the neutron, which is uncharged and located in the nucleus.
- A.
  
  Ernest Rutherford
- B.
  
  James Chadwick
- C.
  
  Neils Bohr
- D.
  
  John Dalton
2.

It is formed when electrons are removed or added to a neutral atom.
- A.
  
  Isotopes
- B.
  
  Cation
- C.
  
  Nuclide
- D.
  
  Ions
3.

How to find the Charge of an Ion?
- A.
  
  No. of protons – no. of electrons
- B.
  
  Atomic mass – no. of electrons
- C.
  
  Atomic mass – no. of protons
- D.
  
  No. of protons + no. of neutrons
4.

He performed experiments using his positive ray tube containing tubes with different gases at very low pressures with perforated tube and concluded that the positively charged particle in the atom is called proton.
- A.
  
  Neils Bohr
- B.
  
  Joseph John Thompson
- C.
  
  Eugene Goldstein
- D.
  
  Henry Moseley
5.

It is the force that can attract or repel particles.
- A.
  
  Gravity
- B.
  
  Electromagnetic force
- C.
  
  Strong force
- D.
  
  Weak force
6.

The structure of an atom has important features. What are those? i. Some of these particles carry an electrical charge ii. Matter consists of indivisible particles iii. Atoms consists of smaller particles. iv. Atoms of the same element have identical set of properties.
- A.
  
  I, ii and iii
- B.
  
  Ii and iv
- C.
  
  I and iii
- D.
  
  Ii only
7.

A particle which has positive charge
- A.
  
  Electrons
- B.
  
  Neutrons
- C.
  
  Protons
- D.
  
  Ions
8.

It is an energy released or required when electrons are added to an atom in the gaseous phase.
- A.
  
  Electronegativity
- B.
  
  Electron affinity
- C.
  
  Atomic size
- D.
  
  Ionization energy
9.

What chemical family is being described when it contains 3 valence electrons, usually combined with oxygen and often used for glass wares and cleaning compound such as borax?
- A.
  
  Carbon Family
- B.
  
  Alkali Metals
- C.
  
  Nitrogen Family
- D.
  
  Boron Family
10.

He arranged the elements in increasing atomic mass.
- A.
  
  Dmitri Mendelev
- B.
  
  John Newlands
- C.
  
  Glen Seaborg
- D.
  
  Henry Moseley
11.

It is the type of bond happened between a metal and nonmetal atoms[Blank].
12.

It is the type of bond happened between two atoms which are metals[Blank].
13.

There are two valence electrons shared in a single bond formed.
- A.
  
  True
- B.
  
  False
14.

What type of bond is being formed between Li and O[Blank]?
15.

Arrange the following in decreasing atomic size: S, Ca, F, Rb, Si[Blank]?
16.

Arrange the following in increasing electronegativity: Li, F, Na,C[Blank]?
17.

It refers to the actual measure of the difference between initial positions up to the final position.[Blank]
18.

How many valence electrons are there in Iodine?
19.

Arrange the following in decreasing electronegativity: Al, Cl, P, Mg[Blank]
20.

Is the change in velocity in particular time interval?
21.

John walks from the point A to B to C. What does the distance he travels?
- A.
  
  9 m
- B.
  
  7 m
- C.
  
  13 m
- D.
  
  5m
22.

John walks from the point A to B to C.What is the displacement?
23.

Look at the picture given below. An object moves from point A through B, C, D, E and stops at point F.Find final displacement[Blank]. Find distance taken from point A to D[Blank].
24.

It refers to an energy released or required when electrons are added to an atom in the gaseous phase[Blank].
25.

Who developed the Law of Triads?
- A.
  
  Alexander Beguyer de Chancourtois
- B.
  
  Dmitri Mendelev
- C.
  
  Johann Wolfgang Dobereiner
- D.
  
  John Newlands