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