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