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 charged and noncharged particles. B) have an equal number of electrons and protons. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) cooking eggs B) burning wood C) digesting food D) breaking a pencil
A) Atomic Mass B) Alphabetical Order C) Atomic Number D) Discovery Date
A) Protons and Neutrons B) Valence Electrons C) Neutrons D) Protons
A) shape B) pH C) density 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) protons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) neutrons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. 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) have only 1 valence electron D) are nonreactive
A) In the bottom rows. B) In the middle column of the periodic table. C) On the left-most side. D) On the right side.
A) number; mass B) location; ionization C) mass;number D) color; smell
A) 6 neutrons B) 12 neutrons C) 3 neutrons D) 8 neutrons
A) Alkali Metals B) Alkaline Earth C) Noble Gases D) Halogens
A) Halogens B) Akali C) Alkaline Earth D) Noble Gases
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) Alkali B) Noble Gases C) Alkaline Earth D) Halogens
A) 5 B) 3 C) 2 D) 4
A) nonmetals B) metals C) metalloids
A) Mosely B) Einstein C) Ms. Watson D) Mendleev
A) alphabetically B) according to atomic number C) According to atomic mass D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) Atomic Number-Atomic mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) nucleus B) neutrons C) protons D) electrons
A) color B) reactivity C) flammability D) pH
A) breaking B) burning C) adding dye D) crushing
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) cn only be observed by changing the substance B) vary within the same element C) can be observes with the senses D) only can be observed in a few elements
A) physical B) chemical
A) chemical B) physical
A) it will float B) not enough information C) it will sink
A) grams B) hours C) meters D) kilograms
A) precise B) accurate C) both accurate and precise D) nethier accurate or precise
A) 1/1,000 B) 1,000 C) 100 D) 1/100
A) control B) independent C) dependent D) constant
A) strawberries B) growth C) length of study D) fertilizer
A) control B) independent C) dependent D) constant
A) beaker B) stirring rod C) graduated cylinder D) tongs
A) 16 B) 10 C) 13 D) 0
A) 35 B) 19 C) 17 D) 18
A) 10 B) 14 C) 26 D) 12
A) 8 B) 18 C) 2 D) 10
A) 57 amu B) 115 amu C) 5.7 amu D) 0.57 amu
A) 3 B) 1 C) 4 D) 2
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Democritus B) Thomson C) Chadwick D) Rutherford
A) Bohr B) Rutherford C) Thomson D) Shrodinger and Heisenburg
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Chadwick B) Bohr C) Rutherford D) Dalton
A) Electron number never changes. B) Electrons are positively charged. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) smaller mass B) negative charge C) positive charge D) larger mass
A) neutrons B) protons C) positrons D) electrons
A) 3g/ml B) 0.33g/ml C) 72g/ml D) 1.33g/ml
A) 10.7g B) 0.094g C) 24g D) 17.5g |