A) It is composed of protons and neutrons B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) 0 B) - C) +
A) have neutrons in their nuclei. B) have an equal number of electrons and protons. C) have an equal number of neutrons and protons. D) have an equal number of charged and noncharged particles.
A) cooking eggs B) burning wood C) breaking a pencil D) digesting food
A) Alphabetical Order B) Atomic Mass C) Atomic Number D) Discovery Date
A) Neutrons B) Protons and Neutrons C) Protons D) Valence Electrons
A) pH B) density C) color D) shape
A) eight protons in its nucleus. B) a total of eight protons and neutrons. C) a total of eight neutrons and electrons. D) eight neutrons in its nucleus.
A) protons plus the number of electrons. B) protons. C) protons plus the number of neutrons. D) neutrons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) a basically nonreactive.
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 middle column of the periodic table. B) On the right side. C) In the bottom rows. D) On the left-most side.
A) number; mass B) color; smell C) location; ionization D) mass;number
A) 12 neutrons B) 6 neutrons C) 8 neutrons D) 3 neutrons
A) Halogens B) Alkaline Metals C) Alkaline Earth D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Akali D) Halogens
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) 4 B) 3 C) 2 D) 5
A) nonmetals B) metals C) metalloids
A) Mosely B) Einstein C) Ms. Watson D) Mendleev
A) by date discovered B) according to atomic number C) According to atomic mass D) alphabetically
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass D) Atomic Number
A) Atomic Number-Atomic mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) neutrons B) electrons C) nucleus D) protons
A) flammability B) reactivity C) color D) pH
A) shape B) pH C) texture D) density
A) breaking B) crushing C) burning D) adding dye
A) breaking B) rusting C) burning D) precipitate forming
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) vary within the same element B) cn only be observed by changing the substance C) only can be observed in a few elements D) can be observes with the senses
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) kilograms B) hours C) meters D) grams
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 100 B) 1/1,000 C) 1,000 D) 1/100
A) control B) dependent C) constant D) independent
A) fertilizer B) length of study C) strawberries D) growth
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) dependent B) control C) constant D) independent
A) beaker B) graduated cylinder C) stirring rod D) tongs
A) 16 B) 10 C) 0 D) 13
A) 18 B) 19 C) 35 D) 17
A) 14 B) 12 C) 10 D) 26
A) 2 B) 10 C) 18 D) 8
A) 5.7 amu B) 0.57 amu C) 115 amu D) 57 amu
A) 2 B) 1 C) 4 D) 3
A) 67.2 mol B) 2 mol C) 89.6 mol D) 0.5 mol
A) 5.8x1022 atoms B) 1.72x1023 atoms C) 2.107x1024 atoms D) 21.07 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Thomson B) Dalton C) Bohr D) Rutherford
A) Chadwick B) Democritus C) Thomson D) Rutherford
A) Rutherford B) Thomson C) Bohr D) Shrodinger and Heisenburg
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Atoms of the same element are exactly alike. B) Atoms combine to form compounds in simple whole number ratios. C) All matter is made of atoms.
A) Dalton B) Chadwick C) Bohr D) Rutherford
A) Electron number never changes. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electrons are positively charged.
A) larger mass B) smaller mass C) negative charge D) positive charge
A) protons B) electrons C) positrons D) neutrons
A) 1.33g/ml B) 3g/ml C) 0.33g/ml D) 72g/ml
A) 17.5g B) 16g C) 10.7g D) 0.094g |