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