,Name: Class: Date:
Chapteri 2
1. Whoi wasi thei firsti personi toi havei ai parti ofi his/heri bodyi X-rayed?
a. Mariei Curie
b. Annai Röntgen
c. Dmitrii Mendeleev
d. Berthai Wilhelm
ANSWER:i b
2. Whichi isi definedi asi thei emissioni ofi energy?
a. betai particles
b. radiation
c. electroni smear
d. X-rays
ANSWER:i b
3. Whichi ofi thei followingi cani breaki downi atoms?
a. chemicali reactions
b. radiation
c. nucleari means
d. exposurei toi X-rays
ANSWER:i c
4. matteri isi attractedi toi ori repelledi byi otheri matter.
a. Heavy
b. Microscopic
c. Isotopic
d. Charged
ANSWER:i d
5. Ifi thei diameteri ofi ani atomi isi likenedi toi thei distancei betweeni Sani Franciscoi andi Washington,i D.C.,i thei sizei ofi
thei nucleusi ofi thisi atomi wouldi bei equivalenti to
a. thei statei ofi Rhodei Island.
b. thei cityi ofi Denver.
c. ai storei ini Kansas.
d. ai hairi oni thei headi ofi ai personi ini Illinois.
ANSWER:i c
6. Ai negativelyi chargedi particlei locatedi ini thei cloudi likei smeari ofi negativei chargei ofi ani atomi isi calledi a(n)
a. proton.
b. nucleus.
c. electron.
d. neutron.
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i i i i i i i i i i
Name: Class: Date:
Chapteri 2
ANSWER:i c
7. Whichi elementi isi thei onlyi elementi toi containi onlyi onei proton?
a. helium
b. carbon
c. neon
d. hydrogen
ANSWER:i d
8. Whichi statementi isi false?
a. Thei nucleusi containsi thei protonsi andi neutrons.
b. Thei numberi ofi neutronsi ini ani elementi isi foundi byi subtractingi thei numberi ofi protonsi fromi thei atomici
massi listedi underi eachi symboli oni thei periodici table.
c. Thei numberi ofi electronsi ini ai neutrali atomi willi bei equali toi thei numberi ofi protons.
d. Thei neutroni isi locatedi ini thei nucleusi andi takesi upi veryi littlei spacei insidei thei nucleus.i Neutronsi andi
protonsi havei abouti thei samei mass.
ANSWER:i b
9. Althoughi thei nucleusi takesi upi ai veryi smalli portioni ofi thei volumei ofi ani atom,i eachi particlei ini thei nucleusi isi
abouti timesi morei massivei thani ani electron.
a. 10
b. 100
c. 2000
d. 5i million
ANSWER:i c
10. Ai neutrali atomi containingi 8i protonsi willi containi howi manyi electrons?
a. 2
b. 4
c. 8
d. 16
ANSWER:i c
11. Ani elementi isi definedi byi thei numberi ofi iti contains.
a. electrons
b. protons
c. neutrons
d. nuclei
ANSWER:i b
12. Thei atomici numberi ofi ani elementi isi equali toi thei numberi ofi thati elementi contains.
a. electrons
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i i i i i i i i i i
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Chapteri 2
b. protons
c. neutrons
d. isotopes
ANSWER:i b
13. Ai neutrali atomi ofi sulfuri willi containi howi manyi electrons?
a. 32
b. 6
c. 15
d. 16
ANSWER:i d
14. Howi manyi electronsi doesi ai neutrali atomi ofi phosphorusi contain?
a. 3
b. 30
c. 31
d. 15
ANSWER:i d
15. Ati thei timei youri textbooki wasi written,i therei werei knowni differenti elements.
a. 58
b. 114
c. 2125
d. 6.02i ×i 1023
ANSWER:i b
16. Organizei thesei elementsi fromi leasti numberi ofi protonsi toi most:i chromium,i magnesium,i arsenic,i oxygen.
a. oxygen,i magnesium,i chromium,i arsenic
b. magnesium,i chromium,i arsenic,i oxygen
c. oxygen,i arsenic,i chromium,i magnesium
d. arsenic,i chromium,i oxygen,i magnesium
ANSWER:i a
17. Thei elementi thati hasi 76i protonsi ini itsi nucleusi isi called
a. arsenic.
b. osmium.
c. thallium.
d. hafnium.
ANSWER:i b
18. Thei scientisti creditedi withi bringingi thei metrici systemi toi Russiai was
Chapteri 2
1. Whoi wasi thei firsti personi toi havei ai parti ofi his/heri bodyi X-rayed?
a. Mariei Curie
b. Annai Röntgen
c. Dmitrii Mendeleev
d. Berthai Wilhelm
ANSWER:i b
2. Whichi isi definedi asi thei emissioni ofi energy?
a. betai particles
b. radiation
c. electroni smear
d. X-rays
ANSWER:i b
3. Whichi ofi thei followingi cani breaki downi atoms?
a. chemicali reactions
b. radiation
c. nucleari means
d. exposurei toi X-rays
ANSWER:i c
4. matteri isi attractedi toi ori repelledi byi otheri matter.
a. Heavy
b. Microscopic
c. Isotopic
d. Charged
ANSWER:i d
5. Ifi thei diameteri ofi ani atomi isi likenedi toi thei distancei betweeni Sani Franciscoi andi Washington,i D.C.,i thei sizei ofi
thei nucleusi ofi thisi atomi wouldi bei equivalenti to
a. thei statei ofi Rhodei Island.
b. thei cityi ofi Denver.
c. ai storei ini Kansas.
d. ai hairi oni thei headi ofi ai personi ini Illinois.
ANSWER:i c
6. Ai negativelyi chargedi particlei locatedi ini thei cloudi likei smeari ofi negativei chargei ofi ani atomi isi calledi a(n)
a. proton.
b. nucleus.
c. electron.
d. neutron.
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i i i i i i i i i i
Name: Class: Date:
Chapteri 2
ANSWER:i c
7. Whichi elementi isi thei onlyi elementi toi containi onlyi onei proton?
a. helium
b. carbon
c. neon
d. hydrogen
ANSWER:i d
8. Whichi statementi isi false?
a. Thei nucleusi containsi thei protonsi andi neutrons.
b. Thei numberi ofi neutronsi ini ani elementi isi foundi byi subtractingi thei numberi ofi protonsi fromi thei atomici
massi listedi underi eachi symboli oni thei periodici table.
c. Thei numberi ofi electronsi ini ai neutrali atomi willi bei equali toi thei numberi ofi protons.
d. Thei neutroni isi locatedi ini thei nucleusi andi takesi upi veryi littlei spacei insidei thei nucleus.i Neutronsi andi
protonsi havei abouti thei samei mass.
ANSWER:i b
9. Althoughi thei nucleusi takesi upi ai veryi smalli portioni ofi thei volumei ofi ani atom,i eachi particlei ini thei nucleusi isi
abouti timesi morei massivei thani ani electron.
a. 10
b. 100
c. 2000
d. 5i million
ANSWER:i c
10. Ai neutrali atomi containingi 8i protonsi willi containi howi manyi electrons?
a. 2
b. 4
c. 8
d. 16
ANSWER:i c
11. Ani elementi isi definedi byi thei numberi ofi iti contains.
a. electrons
b. protons
c. neutrons
d. nuclei
ANSWER:i b
12. Thei atomici numberi ofi ani elementi isi equali toi thei numberi ofi thati elementi contains.
a. electrons
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i i i i i i i i i i
Name: Class: Date:
Chapteri 2
b. protons
c. neutrons
d. isotopes
ANSWER:i b
13. Ai neutrali atomi ofi sulfuri willi containi howi manyi electrons?
a. 32
b. 6
c. 15
d. 16
ANSWER:i d
14. Howi manyi electronsi doesi ai neutrali atomi ofi phosphorusi contain?
a. 3
b. 30
c. 31
d. 15
ANSWER:i d
15. Ati thei timei youri textbooki wasi written,i therei werei knowni differenti elements.
a. 58
b. 114
c. 2125
d. 6.02i ×i 1023
ANSWER:i b
16. Organizei thesei elementsi fromi leasti numberi ofi protonsi toi most:i chromium,i magnesium,i arsenic,i oxygen.
a. oxygen,i magnesium,i chromium,i arsenic
b. magnesium,i chromium,i arsenic,i oxygen
c. oxygen,i arsenic,i chromium,i magnesium
d. arsenic,i chromium,i oxygen,i magnesium
ANSWER:i a
17. Thei elementi thati hasi 76i protonsi ini itsi nucleusi isi called
a. arsenic.
b. osmium.
c. thallium.
d. hafnium.
ANSWER:i b
18. Thei scientisti creditedi withi bringingi thei metrici systemi toi Russiai was
