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