Download - Schoolnet

TEST NAME: Chemistry ES 1.3
TEST ID: 61960
GRADE: 11
SUBJECT: Life and Physical Sciences
TEST CATEGORY: My Classroom
Chemistry ES 1.3
Page 1 of 10
Student: Class:
Date:
1. The electron configuration of an atom determines how much energy is involved in its reactions. The chart
shows how the same amount of some elements reacts with water.
Alkali Reactions with Water
Element
Reaction with Water
Li (Lithium)
Oxidizes and Heat Produced
Na (Sodium)
Oxidizes, Heat, and Smoke Produced
K (Potassium)
Oxidizes, Heat, Smoke, and Flames Produced
Which reaction would most likely occur when rubidium (Rb) is placed in water?
A.
oxidizes slightly
B.
oxidizes, produces more heat than lithium (Li)
C.
oxidizes, produces more heat and smoke than sodium (Na)
D.
oxidizes, produces more heat, smoke, and flames than potassium (K)
2. Sodium, Na, is in the same group as
A.
Ne.
B.
Mg.
C.
Ca.
D.
K.
3. Elements on the right side of the periodic table differ from the elements on the left side in that the elements
on the right side
A.
are solid at room temperature.
B.
are good electrical conductors.
C.
generally have very high densities.
D.
tend to form ions by gaining electrons.
4. The periodic table has changed over time as new elements have been added to it. Which is the most likely
reason scientists update the periodic table?
A.
Scientists rename old elements.
B.
Scientists discover new elements.
C.
Stars produce new elements that travel to Earth.
D.
Past mistakes are corrected in identifying elements.
Chemistry ES 1.3
Page 2 of 10
5. The size of atoms can be measured using the diffraction of x­rays. Measurements of atomic size confirm
that trends can be identified based on location on the Periodic Table of the Elements. Which group of
elements is listed in order of decreasing size?
A.
boron, carbon, nitrogen, oxygen
B.
iodine, bromine, chlorine, fluorine
C.
phosphorous, selenium, iodine, radon
D.
sodium, potassium, rubidium, cesium
6. According to the Periodic Table of the Elements, mercury (Hg) is different from other metals because
mercury is
A.
solid at room temperature.
B.
liquid at room temperature.
C.
lighter than all other metals.
D.
heavier than all other metals.
7. Mr. Blackburn’s class studied some properties of four unknown substances. The table shows the properties
the students observed.
Properties of Substances
Substance
State Conductor of Electricity? Shiny/Dull
1
Liquid No Dull 2
Solid No Shiny
3
Solid Yes Shiny 4
Liquid Yes Dull Based on the table, which substance is most likely a metal?
A.
1
B.
2
C.
3
D.
4
8. According to the Periodic Table of the Elements, which set of elements has similar properties?
A.
H, C, I
B.
He, H, Al
C.
He, Ne, Ar
D.
Na, Ca, Al
9. Plastics are made of numerous polymers containing carbon atoms. What property of carbon makes it so
versatile to use in making plastics?
A.
It is abundant.
B.
It is inexpensive.
C.
It is easy to manipulate
D.
It bonds with other carbons.
Chemistry ES 1.3
Page 3 of 10
10. Using the Periodic Table of the Elements, the properties of elements can often be used to deduce the
properties of neighboring elements. In which set can the reactivity of the first three elements be used to
most accurately predict the reactivity of the fourth element?
A.
Silver (Ag), Sodium (Na), Strontium (Sr) → Sulfur (S)
B.
Fluorine (F), Oxygen (O), Nitrogen (N) → Carbon (C)
C.
Antimony (Sb), Tellurium (Te), Iodine (I) → Xenon (Xe)
D.
Oxygen (O), Sulfur (S), Tellurium (Te) → Selenium (Se)
11. Jaime is learning how elements are placed in the periodic table. He must find an element similar to calcium
(Ca). Which element will be most similar in physical and chemical properties to calcium (Ca)?
A.
carbon (C)
B.
magnesium (Mg)
C.
potassium (K)
D.
selenium (Se)
12. The smallest particle of matter that can be identified as an element is called
A.
an atom.
B.
a proton.
C.
an electron.
D.
a molecule.
13. The Periodic Table of the Elements is useful for revealing patterns and trends in the elements. Which
statement accurately describes a pattern in the size of atomic radii in the Periodic Table of the Elements?
A.
Atomic radii decrease from left to right across a period and decrease from top to bottom in a group.
B.
Atomic radii increase from left to right across a period and increase from top to bottom in a group.
C.
Atomic radii decrease from left to right across a period and increase from top to bottom in a group.
D.
Atomic radii increase from left to right across a period and decrease from top to bottom in a group.
Chemistry ES 1.3
Page 4 of 10
14. The atomic radius of atoms increases in groups of elements on the Periodic Table of the Elements. The
graph shows Group 1 elements and their atomic radii.
Which best describes what tends to occur in groups that results in an increase in atomic radius?
A.
The elements transition from gases to liquids to solids.
B.
The attraction between the nucleus and electrons decreases.
C.
The size of the nucleus increases, forcing electrons outward.
D.
The repulsion between electrons outside the nucleus decreases.
15. The element krypton is a gas that shows almost no chemical activity. To find another element with similar
properties, what should a student look for on the Periodic Table of the Elements?
A.
an element in the same group
B.
an element in the same period
C.
an element with the same net charge
D.
an element with the same atomic mass
16. On what physical property distinguishes elements on the left side of the Periodic Table of the Elements from
elements on the right side?
A.
number of protons
B.
state of matter
C.
atomic mass
D.
temperature
Chemistry ES 1.3
Page 5 of 10
17. The diagram shows an outline of a periodic table.
Which classification identifies the shaded elements on the periodic table outline?
A.
metals
B.
halogens
C.
noble gases
D.
semimetals
18. Chromium is characterized by a very high melting point. Use the Periodic Table of the Elements to identify
which of these elements most likely has a similar melting point.
A.
potassium
B.
manganese
C.
bromine
D.
krypton
19. The ionization potential of an element is the amount of energy required to remove an electron from an
isolated atom or molecule. According to the periodic table, which of the following indicates the correct
decreasing order of ionization potential?
A.
B.
C.
D.
Chemistry ES 1.3
Page 6 of 10
20. A chemist makes the following observations about an unidentified element X.
From which group on the Periodic Table of the Elements can the chemist infer the element comes?
A.
I
B.
II
C.
VI
D.
VII
21. Moving left to right across a period of the Periodic Table of the Elements, the atomic number
A.
decreases by 2.
B.
increases by 1.
C.
decreases for gases.
D.
increases for metals.
22. Which of the following elements is the least electrically conductive?
A.
sodium
B.
tungsten
C.
zinc
D.
argon
23. Copper, silver, and nickel are all classified as
A.
noble gases.
B.
transition metals.
C.
halogens.
D.
nonmetals.
24. Which statement best describes the trend in atomic radii observed in the periodic table?
A.
The atomic radii increase, moving across a period to the right and down in a group.
B.
The atomic radii increase, moving across a period to the left and up in a group.
C.
The atomic radii increase, moving across a period to the right and up in a group.
D.
The atomic radii increase, moving across a period to the left and down in a group.
Chemistry ES 1.3
Page 7 of 10
25. Based on their locations in the periodic table, which element has chemical properties most similar to those
of calcium, Ca?
A.
beryllium, Be
B.
potassium, K
C.
titanium, Ti
D.
yttrium, Y
26. Atoms of an element have the valence electron configuration shown.
In which group on the Periodic Table of the Elements would this element most likely be found?
A.
1A
B.
4A
C.
7A
D.
8A
Chemistry ES 1.3
Page 8 of 10
27. The elements shown are in the family known as the halogens.
What do the atoms in this family of elements have in common?
A.
They have the same number of neutrons.
B.
They have the same number of valence electrons.
C.
They will form ionic bonds with water molecules.
D.
They will form two ionic bonds with members from the alkali metals.
28. Group 17, the halogens, includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). Which
statement is most accurate concerning Group 17 on the Periodic Table of the Elements, known as the
halogens?
A.
They have 1 valence electron.
B.
They are extremely reactive.
C.
They are metals.
D.
They are inert.
29. The elements chromium (Cr) and zinc (Zn) are in period four of the periodic table. Which characteristic of
zinc and chromium is correct based on their positions?
A.
Zinc has a greater atomic radius than chromium.
B.
Zinc loses electrons more easily than chromium.
C.
Chromium has more valence electrons than zinc.
D.
Chromium has lower ionization energy than zinc.
Chemistry ES 1.3
Page 9 of 10
30. On the periodic table, why are all noble gases placed in column 18 (VIIIA)?
A.
Noble gas elements have identical molar masses.
B.
Noble gases are all rarer than elements in other columns.
C.
The noble gases only chemically react with other noble gases.
D.
The valence electron configuration is similar in all noble gas elements.
Chemistry ES 1.3
Page 10 of 10