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