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