Test Bank for 21st Century Chemistry 2nd Edition Waldron All Chapters Included and Verified
14 keer bekeken 0 keer verkocht
Vak
21st Century Chemistry 2nd Edition Waldron
Instelling
21st Century Chemistry 2nd Edition Waldron
Chapter 2
Copyright Macmillan Learning. Powered by Cognero. Page 1
1. Who was the first person to have a part of his/her body X-rayed?
a. Marie Curie
b. Anna Röntgen
c. Dmitri Mendeleev
d. Bertha Wilhelm
ANSWER: b
2. Which is defined as the emission of energy?
a. beta particles
b. radiat...
,DOWNLOAD THE Test Bank for 21st Century Chemistry 2nd Edition Waldron
Name: Class: Date:
Chapter 2
1. Who was the first person to have a part of his/her body X-rayed?
a. Marie Curie
b. Anna Röntgen
c. Dmitri Mendeleev
d. Bertha Wilhelm
ANSWER: b
2. Which is defined as the emission of energy?
a. beta particles
b. radiation
c. electron smear
d. X-rays
ANSWER: b
3. Which of the following can break down atoms?
a. chemical reactions
b. radiation
c. nuclear means
d. exposure to X-rays
ANSWER: c
4. ________ matter is attracted to or repelled by other matter.
a. Heavy
b. Microscopic
c. Isotopic
d. Charged
ANSWER: d
5. If the diameter of an atom is likened to the distance between San Francisco and Washington, D.C., the size of
the nucleus of this atom would be equivalent to
a. the state of Rhode Island.
b. the city of Denver.
c. a store in Kansas.
d. a hair on the head of a person in Illinois.
ANSWER: c
6. A negatively charged particle located in the cloud like smear of negative charge of an atom is called a(n)
a. proton.
b. nucleus.
c. electron.
d. neutron.
Copyright Macmillan Learning. Powered by Cognero. Page 1
mynursytest.store
,DOWNLOAD THE Test Bank for 21st Century Chemistry 2nd Edition Waldron
Name: Class: Date:
Chapter 2
ANSWER: c
7. Which element is the only element to contain only one proton?
a. helium
b. carbon
c. neon
d. hydrogen
ANSWER: d
8. Which statement is false?
a. The nucleus contains the protons and neutrons.
b. The number of neutrons in an element is found by subtracting the number of protons from the atomic
mass listed under each symbol on the periodic table.
c. The number of electrons in a neutral atom will be equal to the number of protons.
d. The neutron is located in the nucleus and takes up very little space inside the nucleus. Neutrons and
protons have about the same mass.
ANSWER: b
9. Although the nucleus takes up a very small portion of the volume of an atom, each particle in the nucleus is
about _________ times more massive than an electron.
a. 10
b. 100
c. 2000
d. 5 million
ANSWER: c
10. A neutral atom containing 8 protons will contain how many electrons?
a. 2
b. 4
c. 8
d. 16
ANSWER: c
11. An element is defined by the number of ________ it contains.
a. electrons
b. protons
c. neutrons
d. nuclei
ANSWER: b
12. The atomic number of an element is equal to the number of ________ that element contains.
a. electrons
Copyright Macmillan Learning. Powered by Cognero. Page 2
mynursytest.store
, DOWNLOAD THE Test Bank for 21st Century Chemistry 2nd Edition Waldron
Name: Class: Date:
Chapter 2
b. protons
c. neutrons
d. isotopes
ANSWER: b
13. A neutral atom of sulfur will contain how many electrons?
a. 32
b. 6
c. 15
d. 16
ANSWER: d
14. How many electrons does a neutral atom of phosphorus contain?
a. 3
b. 30
c. 31
d. 15
ANSWER: d
15. At the time your textbook was written, there were _____________ known different elements.
a. 58
b. 114
c. 2125
d. 6.02 × 1023
ANSWER: b
16. Organize these elements from least number of protons to most: chromium, magnesium, arsenic, oxygen.
a. oxygen, magnesium, chromium, arsenic
b. magnesium, chromium, arsenic, oxygen
c. oxygen, arsenic, chromium, magnesium
d. arsenic, chromium, oxygen, magnesium
ANSWER: a
17. The element that has 76 protons in its nucleus is called
a. arsenic.
b. osmium.
c. thallium.
d. hafnium.
ANSWER: b
18. The scientist credited with bringing the metric system to Russia was
Copyright Macmillan Learning. Powered by Cognero. Page 3
mynursytest.store
Voordelen van het kopen van samenvattingen bij Stuvia op een rij:
√ Verzekerd van kwaliteit door reviews
Stuvia-klanten hebben meer dan 700.000 samenvattingen beoordeeld. Zo weet je zeker dat je de beste documenten koopt!
Snel en makkelijk kopen
Je betaalt supersnel en eenmalig met iDeal, Bancontact of creditcard voor de samenvatting. Zonder lidmaatschap.
Focus op de essentie
Samenvattingen worden geschreven voor en door anderen. Daarom zijn de samenvattingen altijd betrouwbaar en actueel. Zo kom je snel tot de kern!
Veelgestelde vragen
Wat krijg ik als ik dit document koop?
Je krijgt een PDF, die direct beschikbaar is na je aankoop. Het gekochte document is altijd, overal en oneindig toegankelijk via je profiel.
Tevredenheidsgarantie: hoe werkt dat?
Onze tevredenheidsgarantie zorgt ervoor dat je altijd een studiedocument vindt dat goed bij je past. Je vult een formulier in en onze klantenservice regelt de rest.
Van wie koop ik deze samenvatting?
Stuvia is een marktplaats, je koop dit document dus niet van ons, maar van verkoper NurseAdvocate. Stuvia faciliteert de betaling aan de verkoper.
Zit ik meteen vast aan een abonnement?
Nee, je koopt alleen deze samenvatting voor €13,75. Je zit daarna nergens aan vast.
