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