A) It is composed of protons and neutrons B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons only
A) - B) + C) 0
A) have an equal number of electrons and protons. B) have an equal number of neutrons and protons. C) have neutrons in their nuclei. D) have an equal number of charged and noncharged particles.
A) breaking a pencil B) cooking eggs C) digesting food D) burning wood
A) Discovery Date B) Atomic Mass C) Alphabetical Order D) Atomic Number
A) Protons B) Valence Electrons C) Neutrons D) Protons and Neutrons
A) color B) pH C) density D) shape
A) a total of eight neutrons and electrons. B) a total of eight protons and neutrons. C) eight neutrons in its nucleus. 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 located in the left-most column of the periodic table. B) They are usually gases. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
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 all metals C) are nonreactive D) have only 1 valence electron
A) On the left-most side. B) On the right side. C) In the middle column of the periodic table. D) In the bottom rows.
A) number; mass B) mass;number C) color; smell D) location; ionization
A) 12 neutrons B) 6 neutrons C) 8 neutrons D) 3 neutrons
A) Alkaline Metals B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkaline Earth B) Akali C) Halogens D) Noble Gases
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) 3 B) 2 C) 4 D) 5
A) metalloids B) metals C) nonmetals
A) Mendleev B) Mosely C) Ms. Watson D) Einstein
A) according to atomic number B) According to atomic mass C) alphabetically D) by date discovered
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic Mass C) Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) neutrons B) electrons C) nucleus D) protons
A) flammability B) color C) reactivity D) pH
A) shape B) density C) pH 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 only be observed by changing the substance D) can be observed with senses
A) vary within the same element B) can be observes with the senses C) cn only be observed by changing the substance D) only can be observed in a few elements
A) physical B) chemical
A) physical B) chemical
A) not enough information B) it will sink C) it will float
A) liters B) second C) kelvin D) meters
A) grams B) meters C) kilograms D) hours
A) both accurate and precise B) accurate C) nethier accurate or precise D) precise
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) independent B) dependent C) control D) constant
A) strawberries B) length of study C) fertilizer D) growth
A) 0.0025m B) 2,500m
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) 63,400 B) 0.00634
A) control B) independent C) dependent D) constant
A) tongs B) beaker C) stirring rod D) graduated cylinder
A) 16 B) 10 C) 0 D) 13
A) 18 B) 19 C) 35 D) 17
A) 12 B) 26 C) 10 D) 14
A) 18 B) 2 C) 8 D) 10
A) 57 amu B) 0.57 amu C) 115 amu D) 5.7 amu
A) 4 B) 3 C) 1 D) 2
A) 2 mol B) 89.6 mol C) 67.2 mol D) 0.5 mol
A) 5.8x1022 atoms B) 2.107x1024 atoms C) 21.07 atoms D) 1.72x1023 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Thomson B) Rutherford C) Democritus D) Chadwick
A) Shrodinger and Heisenburg B) Bohr C) Rutherford D) Thomson
A) Dalton B) Thomson C) Rutherford D) Bohr
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) Rutherford B) Chadwick C) Dalton D) Bohr
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) smaller mass C) negative charge D) positive charge
A) electrons B) positrons C) neutrons D) protons
A) 0.33g/ml B) 3g/ml C) 1.33g/ml D) 72g/ml
A) 10.7g B) 17.5g C) 16g D) 0.094g |