SGC-Chem Test 2 SP2
A) It is composed of protons only B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) - B) + C) 0
A) have neutrons in their nuclei. B) have an equal number of neutrons and protons. C) have an equal number of charged and noncharged particles. D) have an equal number of electrons and protons.
A) burning wood B) cooking eggs C) breaking a pencil D) digesting food
A) Discovery Date B) Alphabetical Order C) Atomic Number D) Atomic Mass
A) Protons B) Protons and Neutrons C) Valence Electrons D) Neutrons
A) shape B) density C) pH D) color
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) eight neutrons in its nucleus. D) a total of eight neutrons and electrons.
A) protons. B) neutrons. C) protons plus the number of neutrons. D) protons plus the number of electrons.
A) They are usually gases. B) They are located in the left-most column of the periodic table. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) They form compounds with very bright colors. B) They are extremely rare in nature. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) are all metals B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are nonreactive
A) On the right side. B) On the left-most side. C) In the bottom rows. D) In the middle column of the periodic table.
A) mass;number B) number; mass C) location; ionization D) color; smell
A) 8 neutrons B) 12 neutrons C) 3 neutrons D) 6 neutrons
A) Noble Gases B) Alkaline Earth C) Alkaline Metals D) Halogens
A) Halogens B) Alkaline Earth C) Akali D) Noble Gases
A) Halogens B) Alkaline Earth C) Alkali D) Noble Gases
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) 3 B) 4 C) 2 D) 5
A) metals B) metalloids C) nonmetals
A) Einstein B) Ms. Watson C) Mendleev D) Mosely
A) alphabetically B) according to atomic number C) According to atomic mass D) by date discovered
A) Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) neutrons B) protons C) nucleus D) electrons
A) pH B) reactivity C) flammability D) color
A) texture B) density C) pH D) shape
A) crushing B) adding dye C) breaking D) burning
A) burning B) rusting C) breaking D) precipitate forming
A) only can be seen in a few elements B) can only be observed by changing the substance C) vary within the same element D) can be observed with senses
A) can be observes with the senses B) only can be observed in a few elements C) cn only be observed by changing the substance D) vary within the same element
A) physical B) chemical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) meters B) liters C) kelvin D) second
A) hours B) meters C) grams D) kilograms
A) accurate B) precise C) both accurate and precise D) nethier accurate or precise
A) 100 B) 1/1,000 C) 1,000 D) 1/100
A) independent B) dependent C) constant D) control
A) growth B) fertilizer C) length of study D) strawberries
A) 0.0025m B) 2,500m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x103 B) 4.2x10-3
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) constant B) control C) dependent D) independent
A) stirring rod B) graduated cylinder C) tongs D) beaker
A) 10 B) 16 C) 0 D) 13
A) 17 B) 19 C) 35 D) 18
A) 12 B) 10 C) 14 D) 26
A) 2 B) 8 C) 18 D) 10
A) 57 amu B) 0.57 amu C) 115 amu D) 5.7 amu
A) 4 B) 3 C) 1 D) 2
A) 0.5 mol B) 89.6 mol C) 2 mol D) 67.2 mol
A) 1.72x1023 atoms B) 21.07 atoms C) 2.107x1024 atoms D) 5.8x1022 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Rutherford B) Chadwick C) Thomson D) Democritus
A) Rutherford B) Bohr C) Thomson D) Shrodinger and Heisenburg 
A) Dalton B) Thomson C) Rutherford D) Bohr
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Chadwick B) Rutherford C) Dalton D) Bohr
A) Electrons are positively charged. B) Electron number never changes. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) smaller mass B) negative charge C) positive charge D) larger mass
A) neutrons B) electrons C) positrons D) protons
A) 72g/ml B) 0.33g/ml C) 1.33g/ml D) 3g/ml
A) 16g B) 17.5g C) 0.094g D) 10.7g |
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