Free Printable Química 1er parcial 24-25

1.

The smallest portion of matter is called....

a)

ATOM

b)

MOLECULE

c)

FORMULA

d)

ELEMENT

2.

The Periodic Table allows to order.....

a)

FORMULAS

b)

MOLECULES

c)

MATTER

d)

ELEMENTS

3.

What substance was believed to produce fire?

a)

Combustible

b)

Fire

c)

Phlogiston

d)

Burn

4.

What else is Lavoisier known as?

a)

Padre de la Química Moderna

b)

Doctor

c)

Recaudador

d)

Alquimista

5.

The atom presents the following subatomic particles:

a)

Electron, neutron, and positron

b)

Electron, neutron, and proton

c)

Proton, tritium, and electron

d)

Neutron, proton, and tritium

6.

How many ELECTRONS are in the following atom?

a)

75

b)

42

c)

33

d)

108

7.

Choose the correct answer for the number of electrons of the following atom

a)

20

b)

18

c)

19

d)

22

8.

The electron has a charge:

a)

Positive

b)

Negative

c)

Neutral

9.

What is the basic unit of matter?

a)

Molecule

b)

Atom

c)

Neutron

d)

Proton

10.

Which subatomic particle has a positive charge?

a)

Electron

b)

Neutron

c)

Proton

d)

Photon

11.

Who proposed the modern atomic theory in the 19th century?

a)

Democritus

b)

J.J. Thomson

c)

Niels Bohr

d)

John Dalton

12.

What is the electric charge of neutrons?

a)

Neutral

b)

Positive

c)

Negative

d)

Variable

13.

Observe the image and identify which atomic model it corresponds to.

a)

Rutherford Model

b)

Dalton Model

c)

Bohr Model

d)

Thomson Model

14.

Dalton's atomic model

a)

b)

c)

d)

15.

The valence electrons of the chlorine atom in the figure are:

a)

2

b)

8

c)

7

d)

None of the above

16.

The nucleus of an atom is defined as:

a)

The outer part of the atom where electrons are found

b)

The central part of the atom where protons and neutrons are mainly found

c)

The central part of the atom where electrons are found

d)

None of the above

17.

The atomic model represented in the figure corresponds to the model suggested by the scientist:

a)

J.J. THOMSON

b)

ERNEST RUTHERFORD

c)

NIELS BOHR

d)

JOHN DALTON

18.

How many electrons does this image show?

a)

4

b)

5

c)

6

d)

3

19.

According to this philosopher, all matter is composed of a series of tiny, invisible, and indestructible particles called ATOMS, which is the arje of things, we are talking about:

a)

Democritus

b)

Zenon of Elea

c)

Empedocles

d)

Anaxagoras

20.

THE BLUE REGION CORRESPONDS TO

a)

Metals

b)

non-metals

c)

noble gases

d)

metalloids

21.

PHOSPHORUS IS:

a)

METAL

b)

METALLOID

c)

GAS

d)

NON-METAL

22.

The vertical columns of the periodic table are called:

a)

Periods or levels

b)

Groups or families

c)

Boxes or cells

d)

Regions or blocks

23.

The horizontal rows indicate the number of levels and are called

a)

Cells or boxes

b)

Regions or blocks

c)

Groups or families

d)

Periods or Levels

24.

The correct symbols for the elements Sodium, Iron, Aluminum, Gold, Lithium respectively are:

a)

Na, Fe, Al, Or, LI

b)

Nd, F, Al, Au, Li

c)

Na, Fe, Al, Au, Li

d)

So, Hi, Al, Au, Li

25.

Is considered the Father of the Periodic Table.

a)

Moseley

b)

Werner

c)

Newlands

d)

Mendeleev

26.

The periodic table consists of

a)

6 columns

b)

7 periods

c)

3 groups

d)

18 periods

27.

The oxygen is a gaseous element whose atomic number is:

a)

4

b)

20

c)

12

d)

8

28.

Silver is a chemical element, which has the symbol:

a)

P

b)

Pt

c)

Pl

d)

Ag

29.

The symbols: "Al" and "Cr" belong to two elements that are metals: What are they?

a)

Aluminum and carbon

b)

Aluminum and calcium

c)

Silver and chromium

d)

Aluminum and chromium

30.

CHEMICAL SYMBOL OF COBALT

a)

Co

b)

CO

c)

cO

d)

COB

31.

CHEMICAL SYMBOL OF MAGNESIUM

a)

Mg

b)

MG

c)

Mn

d)

MN

32.

CHEMICAL SYMBOL OF COPPER

a)

Co

b)

Cu

c)

CO

d)

co

33.

CHEMICAL SYMBOL OF PHOSPHORUS

a)

p

b)

fo

c)

FO

d)

P

34.

Beryllium

a)

He

b)

Be

c)

B

d)

S

35.

Helio

a)

Be

b)

B

c)

He

d)

H

36.

Neon

a)

Ni

b)

Na

c)

n

d)

Ne

37.

Chemical symbol for ZINC

a)

ZN

b)

zc

c)

Zn

38.

NOBLE GASES:.....,.......,......,......,......

a)

BERYLLIUM, MAGNESIUM, CALCIUM

b)

LITHIUM, SODIUM,

RUBIDIUM

c)

HELIUM, NEON, ARGON

d)

FLUORINE, CHLORINE,

BROMINE

39.

Name of the following element Sn

a)

Zinc

b)

Strontium

c)

Tin

d)

Silicon

40.

Manganese symbol

a)

Mg

b)

Mn

c)

Sm

d)

Zn

41.

What is the correct option for the electronic configuration of Ca20?

a)

$1S^2\ 2S^2\ 2P^6\ 3S^2\ 3P^6\ 4S^2$

b)

$1S^2\ 2S^2\ 2P^6\ 3S^2\ 3P^6\ 3d^2$

c)

$1S^2\ 3S^2\ 2S^2\ 3P^6\ 2P^2$

d)

$1S^2\ 2S^2\ 2P^6\ 3S^2\ 4S^2\ 3d^6$

42.

What is the electronic configuration of Carbon (₆C)?

a)

1S^2, 2S², 2P²

b)

1S², 2S², 2P⁴

c)

1s² 2s² 2p⁶ 3s¹

d)

1s² 2s² 2p³

43.

The correct electronic configuration for nitrogen is

a)

1s²2s²2p³

b)

1s²2p³2s²

c)

1s²2p³2s³

d)

1s²2s²2p⁶

44.

The Electronic Configuration refers to:

a)

The distribution of nucleons in levels of an atom

b)

The distribution of protons in levels and sublevels of an atom

c)

The distribution in levels, sublevels, and orbitals of the atom

d)

The distribution of electrons in levels, sublevels, and orbitals that an atom has

45.

The atomic number of an element can indicate the number of

a)

electrons

b)

atoms

c)

levels

d)

quantum numbers

46.

THE OCTET RULE CONSISTS OF

a)

IN TERMS OF ELECTRONS IN AN ATOM, THERE CAN BE NO MORE THAN EIGHT ELECTRONS IN THE OUTERMOST ENERGY LEVEL

b)

REACHING A MORE ELECTRONEGATIVE ELECTRONIC CONFIGURATION

c)

FORMATION OF MOLECULAR STRUCTURES

d)

ALL OF THE ABOVE

Química 1er parcial 24-25

Total questions: 46

Worksheet time: 26mins

Similar Resources on Wayground